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PSU Lemon List
PC Power Supply Problems and Issues
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The power supply lemon list identifies psu's to avoid. The PSU Lemon List includes descriptions of problems found and links to the hardware reviews that discovered the psu problems, issues, and flaws.
To find a high quality power supply for your computer that is safe, stable, and reliable please check the PSU Database
| NOTICE: - Only brands and models that were reviewed and tested by competent hardware review sites are listed. There may be additional brands and models that might qualify for the lemon list but they are not included because they were not reviewed or subjected to rigorous testing.
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| 1st Player |
| Model |
Watts |
Problems and Issues |
Reviews |
SFX 750
*** NEW *** |
750 |
Extremely poor documentation; branding on the side of the unit is applied via a sticker which is sticky; equipped with 80mm fan inmstead of advertised 92mm fan; unidentified solid capacitors, solid electrolytics from an unknown company; unknown solid capacitors on the main PCB; unable to complete testing and shut down repeatedly; not an 80 Plus Platinum power supply as claimed; transient testing could not be completed due to unit failure
|
The FPS Review |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| ABS |
| Model |
Watts |
Problems and Issues |
Reviews |
| Majesty MJ1100-M |
1,100 |
Not quite 80 Plus Gold as advertised. Failed DC output quality. Out of spec ripple and noise suppression. |
Hard OCP |
| Please read the power supply reviews for detailed descriptions of problems and issues. |
| Acbel Polytech |
| Model |
Watts |
Problems and Issues |
Reviews |
| iPower 660 |
660 |
Misleading label. It is only a 610 watt power supply. Could only deliver half of rated power. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Ace |
| Model |
Watts |
Problems and Issues |
Reviews |
| AC 230V |
550 |
Won't do 550 watts, barely does 350 watts. Poor quality capacitors. Protection circuitry issues. Box marketing claims certifications the unit doesn't have. APFC circuit not very efficient. Poor standby efficiency. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| AeroCool |
| Model |
Watts |
Problems and Issues |
Reviews |
Aero White
*** NEW *** |
550 |
No indication of a guarantee, Simple sleeve bearing fan, No overtemperature protection |
Computer Base (DE) |
| E85M-550 |
500 |
Did not meet Bronze effcieincy at load. Voltage regulation failed on -12V rail during light load test. Ripple and noise high at 550 watts. |
Hardware Secrets |
| V12XT |
600 |
Did not meet Bronze effcieincy at load. Voltage regulation failed on -12V rail during light load test. Ripple and noise high at 600 watts. |
Hardware Secrets |
| VP-550 |
550 |
No certification. No dedicated voltage regulation. Poor cross-load voltage stability. +3.3V, +5V, and +12V rails went out of spec. |
Xbit Laboratories |
| VP-650 |
650 |
No certification. No dedicated voltage regulation. Poor cross-load voltage stability. +3.3V, +5V, and +12V rails went out of spec. |
Xbit Laboratories |
| VP-750 |
750 |
No certification. Poor cross-load voltage stability. |
Xbit Laboratories |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Akasa Polytech |
| Model |
Watts |
Problems and Issues |
Reviews |
| Essential Power |
350 |
+12 voltage dropped below minimum allowed. Poor efficiency. Only one SATA power power cable with two connectors. |
Hardware Secrets |
| Paxpower |
500 |
Would not turn on when EPS12V connector was used. Efficiency dropped above 300 watts. Only one video power cable with two connectors. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Allied |
| Model |
Watts |
Problems and Issues |
Reviews |
| AL-D500EXP |
500 |
Exploded during testing. OCP failed. Poor voltage regulation. Low quality capacitors. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Apevia |
| Model |
Watts |
Problems and Issues |
Reviews |
Turbolink
ATX-TL450W-BK |
450 |
Not 450 watts. Can only deliver 240 watts. Ripple and noise suppression out of spec. No required filtering coils in secondary. No Efficiency. Only one SATA power connector and no video card power connector. |
Hardware Secrets |
| Warlock Power |
900 |
Not 900 watts as advertised. OCP and OTP missing. Terrible voltage regulation. Died four times during testing. Out of ATX spec on several tests. |
jonnyGURU |
| Aspire Beast |
680 |
Not 680 watts as advertised. Advertised voltages and amperages are incorrect. Shut down during testing. Mediocre efficiency. |
jonnyGURU |
| Aspire X-Qpack |
420 |
False power supply label. Not 420 watts as advertised. Delivered less than 300 watts. No PFC. Poor efficiency. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Arctic Cooling |
| Model |
Watts |
Problems and Issues |
Reviews |
| Fusion 550RF |
550 |
Not 550 watts as advertised. Thin gauge power cable wires. No EPS12V connector. Limited number of power cable connectors. |
Hardware Secrets, jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Asus |
| Model |
Watts |
Problems and Issues |
Reviews |
| Atlas A-45GA |
450 |
Not 450 watts as advertised. Could only deliver 365 watts. Poor efficiency. |
Hardware Secrets, |
| P-50GA |
500 |
No certification. Extremely poor effociency. |
Hardware Secrets, |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Athena Power |
| Model |
Watts |
Problems and Issues |
Reviews |
| AP-MFATX35 |
350 |
High Ripple and noise suppression levels. Failed temperature testing. First unit burned one minute into testing at 350 watts |
Hardware Secrets, KitGuru |
| AP-TFX40 |
400 |
Specifications on retail box and psu do not match. Loose 12V Connector contact. Standoff screw hole missing for upper left corner of mainboard. Plastic insulator worn down due to soldering. Loose screw securing heatsinks. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| ATNG |
| Model |
Watts |
Problems and Issues |
Reviews |
Premier
PS-ATX-300P4 |
300 |
Failed to power up. Wires too thin. Low quality capacitors. Poor input filtering. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Azza |
| Model |
Watts |
Problems and Issues |
Reviews |
PSAZ ARGB
*** NEW *** |
650 |
80Plus Bronze missed, Excessive standby power consumption, Faulty protection circuit, Critical isolation management,
Poor voltage regulation, No manufacturer's warranty |
Computer Base (DE) |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| be quiet! - Listan GmbH und Co. KG |
| Model |
Watts |
Problems and Issues |
Reviews |
System Power 10
*** NEW *** |
750 |
Low overall performance; Poor performance per price ratio; Noisy (>35 dBA) with 490W and above loads; Not properly set OCP at 12V; Not as efficient as other similar spec platforms; Loose load regulation; High ripple on all rails; Sky-high OCP on the minor rails; Not efficient 5VSB rail; Only one 4-pin Molex connector; Short distance between the peripheral connectors; The competition uses better cooling fans and parts in general. |
Hardware Busters |
System Power 10
*** NEW *** |
400 |
Dead low average performance, Low performance per dollar/euro ratio, Above 35 dBA noise output with >490 W load, Not properly set OCP at +12 V, High OCP triggering points on the minor rails, Loose load regulation, High ripple, Lower average efficiency than the System Power U9 700 W, Mediocre transient response on the minor rails, Not efficient 5VSB rail, Only a single 4-pin Molex connector, The competition uses better parts, Sleeve bearing fan, Short distance between the peripheral connectors. |
Techpowerup |
| Straight Power E8-400W |
400 |
Non-primary rails have very mediocre voltage regulation. Ripple was high on +12V rail. Hodge podge of second and third tier capacitors. Primary capacitors are 85C instead of 105C. Only one PCIe power connector. |
jonnyGURU |
| System Power 7 |
400 |
Terrible Ripple |
Hardware Info |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Bestec |
| Model |
Watts |
Problems and Issues |
Reviews |
| ATX-250-12E |
250 |
Infamous for frying motherboards. Ancient ATX12V 1.3 design. 5VSB performance is awful. Below average build quality. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| BFG |
| Model |
Watts |
Problems and Issues |
Reviews |
ES-800
BFGR800WESPSU |
800 |
factory Recall. Design Flaw. Huge electrical noise problem. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Chieftec |
| Model |
Watts |
Problems and Issues |
Reviews |
| Polaris 750 |
750 |
Loose load regulation on all rails Teapo SC caps on the secondary side have a low lifetime; Sleeve bearing fan;
Hold up time below 17 ms; Poor EMI performance; Efficiency with 2% load below 70%; Not compatible with alternative sleep mode; Transient response at 3.3 V; Short 2 year warranty
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Techpowerup |
| 650 |
650 |
Not 650 watts as advertised. Exploded during testing. Thin wires. Tiny heatsinks. Low value input caps of unknown origin. Also sold under Leadman Power and Powmax brand names. |
jonnyGURU |
| Nitro 2 |
450 |
Not 550 watts as advertised. |
Hardware Info |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Conceptronic |
| Model |
Watts |
Problems and Issues |
Reviews |
| Desktop Power |
500 |
Not 500 watts as advertised. No overload protection. Very poor efficiency. |
Hardware Info |
| Desktop Power |
600 |
Not 600 watts as advertised. No overload protection. Very poor efficiency. |
Hardware Info |
| Desktop Power |
700 |
Not 700 watts as advertised. No overload protection. Very poor efficiency. |
Hardware Info |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Cooler Master |
| Model |
Watts |
Problems and Issues |
Reviews |
| MasterWatt Lite |
600 |
ineffective undervolt protection leading to hardware breaking crossload voltage regulation; requires more minimum load than Haswell and newer CPUs need for advanced sleep states; out of spec 5V ripple; third tier capacitors; some soldering related issues; 3.3V regulation was not very good; 230V only; 3 year warranty except for four countries that get 5 years |
jonnyGURU |
| MasterWatt Maker |
1200 |
Bluetooth didn't work, inaccurate software power readings, standby rail ran out of load regulation specification, fragile power switch, Bluetooth dongle blocks airflow |
jonnyGURU |
| Elite Power |
350 |
Lousy efficiency. Does not have two +12volt rails as advertised. No Over Current Protection as advertised. No Over Power Protection as advertised. |
Hardware Secrets |
| Elite Power |
400 |
Poor efficiency. Noise and ripple levels very high. |
Hardware Secrets, Hardware Info |
| Elite Power |
460 |
Not 460 watt as advertised. Identical to Elite Power 400 watt model. No over current protection as advertised. |
Hardware Secrets |
| Extreme 2 |
475 |
Not 475 watt as advertised. Voltages drop below minimum allowed. Ripple and noise increase above minimum allowed. |
Hardware Secrets |
| eXtreme Power Plus |
400 |
Very Poor efficiency. Ripple and Noise above maximum allowed. |
Hardware Secrets |
| eXtreme Power Plus |
460 |
Not a 460 watt power supply as advertised. |
Hardware Secrets |
| eXtreme Power Plus |
500 |
Very Poor efficiency. Ripple and Noise above maximum allowed. |
Hardware Secrets |
| eXtreme Power Plus |
550 |
Burned during load tests. Not 550 watt as advertised. Could only deliver 500 watts. Very Poor efficiency. |
Hardware Secrets |
| eXtreme Power Plus |
600 |
Burned during load tests. Not 600 watt as advertised. Could only deliver 450 watts. Voltages regulation out of spec. Very Poor efficiency. |
Hardware Secrets |
| GX-650 |
650 |
Failed efficiency rating. Failed load testing. Medicore voltage regulation. Poor DC output quality on 3.3V rails. Outdated design. |
Hard OCP |
| GX-750 |
750 |
Cannot handle heat at 750 watts. Ripple issues on the 3.3V rail. Noise level on +3.3V and +5VSB above maximum allowed. Questionable capacitor quality. Poor Voltage Regulation. Efficiency lower than advertised. |
jonnyGURU, Hardware Secrets, Hardware Heaven |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| CoolMax |
| Model |
Watts |
Problems and Issues |
Reviews |
| ZX Series |
500 |
Not 500 watts as advertised. Did not meet advertised certifications. No sign of protection circuitry. Voltage regulation easily affected for the worse by just a little heat. 5VSB failed overshoot transient testing. Second tier capacitors. No thermal fan controller. Sleeve bearing fan. Only partial AC line filtering, Only partial DC output filtering on the 5V and 12V rails. |
jonnyGURU |
| Green Power |
500 |
Not 500 watts as advertised. Couldn't do over 450W in either the cold or hot tests. Voltage regulation was awful. |
jonnyGURU |
| CUG-700B |
700 |
Not a 700 watt psu as advertised. Exploded during testing. No OCP. |
jonnyGURU |
| CUG-950B |
950 |
Not 950 watts as advertised. Can only deliver 700 watts at room temperature. Dangerously high ripple above 700W. Can't cool itself well above 700W. Very poor voltage regulation above 700W. Very poor efficiency above 700W. OCP/OVP/UVP did not not work. |
jonnyGURU |
| V-500 |
500 |
Cannot deliver advertised wattage. Very Poor efficiency. Voltages out of spec. Noise and ripple above maximum allowed. |
Hardware Secrets |
| ZP-750B |
750 |
Advertised as having 80 Plus Bronze Certification but it does not. Advertised as 750 watts but can only deliver 450 watts. Burned at 500 watts. |
Hardware Secrets 1, Hardware Secrets 2 |
| ZP-850B |
850 |
Advertised as having 80 Plus Bronze Certification but it does not. |
Hardware Secrets |
| ZP-1000B |
1,000 |
Advertised as having 80 Plus Bronze Certification but it does not. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Cougar |
| Model |
Watts |
Problems and Issues |
Reviews |
Couger A560
CGR BE-560 |
560 |
Failed load, temperature, and efficiency tests. Voltage regulation problems. |
Hardware Secrets |
| Couger RS650 |
650 |
Not 650 watt psu as advertised. Failed load, temperature, and efficiency tests. |
Hardware Secrets |
| Couger CMX 700 |
700 |
Voltage regulation out of spec starting at 560 watts. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Diablotek |
| Model |
Watts |
Problems and Issues |
Reviews |
| RPM-1050 |
1,050 |
Does not meet advertised specs. Can barely do 600 watts at room temperature. Failed hot box test at 42C. Voltage regulation and ripple suppression out of spec. Cable wires too thin for 1,050 watts. Questionable quality of capacitors. |
jonnyGURU |
| PHD650 |
650 |
Failed load tests. Terrible build quality. Poor component selection. |
Hard OCP |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Dragon Force |
| Model |
Watts |
Problems and Issues |
Reviews |
| DF-530GT |
530 |
|
Computer Base (DE) |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Dynex |
| Model |
Watts |
Problems and Issues |
Reviews |
| Dynex 400 |
400 |
Best Buy House Brand. Rebadged Huntkey Green Star 400. Poor Efficiency. Very high noise levels. Only 1 year warranty. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Eagle Tech |
| Model |
Watts |
Problems and Issues |
Reviews |
| Skyhawk Panther |
620 |
Not 620 watts as advertised. Exploded during testing. No PFC or OCP. Poor voltage regulation. Low quality capacitors. Loud fan. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Enermax |
| Model |
Watts |
Problems and Issues |
Reviews |
| Liberty DXX |
500 |
Almost all protections failed during testing. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| EVGA |
| Model |
Watts |
Problems and Issues |
Reviews |
EVGA 750N1
*** NEW *** |
750 |
testing very poor and ended with a sizzle; bad voltage regulation; complete burnout of 2 units that were tested; poor efficiency results; DC Output Quality results were terrible; 3.3v rail out of specification; Two 750N1 were tested, both failed the tests. |
The FPS Review |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| FSP Group |
| Model |
Watts |
Problems and Issues |
Reviews |
| Raider |
750 |
Failed load testing. Voltage regulation well outside of ATX12v specifications. Poor DC output quality |
Hard OCP |
| Everest |
700 |
Failed load testing. Poor fan design. |
jonnyGURU |
| Everest |
900 |
Old Episilon design. Failed load testing. Exceeded ATX specs for ripple and noise on the 3.3V and 5V rails. Cost cutting measures. |
jonnyGURU |
| Hexa |
400 |
Poor ripple |
Hardware Info |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Gigabyte |
| Model |
Watts |
Problems and Issues |
Reviews |
UD1000GM PG5
*** NEW *** |
850 |
Does not meet ATX 3.0 standards, Increased noise output, Overall performance needs boosting, Low quality Lelon caps on the secondary side, no bypass relay supporting the NTC thermistor, Not tight load regulation on the minor rails, Did not pass the 180% and 160% transient tests for ATX12V v3.0, High inrush current with 230V, Lower than 16ms power ok signal, Above 0.1W vampire power, No option to toggle off the semi-passive operation, Small distance between 4-pin Molex connectors, Two EPS connectors on the same cable |
AnandTech
Hardware Busters
Techpowerup
|
| P750GM |
750 |
Ceased to work during OPP evaluation; Over power protection is not properly set; Lousy transient response at +12 V and 3.3 V; Low-quality FETs on the primary side; Unknown caps on the secondary side
; They advertise an HDB fan, but used a rifle bearing one instead; Very low efficiency with 2% load; Low efficiency at 5VSB; Hold up time below 17 ms; Power ok signal not accurate; EPS cable should at least be 650 mm long; Short distance between peripheral connectors; Not fully compatible with the newest ATX specification (v2.52)
|
Techpowerup |
| Superb 550-P |
550 |
Not a 550 watt psu. Could only deliver 450 watts. Poor efficiency above 279 watts. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Hairong |
| Model |
Watts |
Problems and Issues |
Reviews |
| Delta DPS300-PB-1 |
300 |
Not 300 watts as advertised. Failed testing. Low quality capacitors. No bridge rectifier. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Hercules |
| Model |
Watts |
Problems and Issues |
Reviews |
| Hercules |
500 |
Absolutely, positively the worst power supply ever reviewed. Pure junk and a dangerous fire hazard!!! |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Hiper |
| Model |
Watts |
Problems and Issues |
Reviews |
| Type M |
580 |
Very old design. Not suitable for modern pc. Poor Crossload tolerance. Poor cooling. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Huntkey |
| Model |
Watts |
Problems and Issues |
Reviews |
| Green Star |
350 |
Could only deliver 280 watts. Exploded at 350 advertised load. Only two SATA connectors. No power cables for video card. |
Hardware Secrets |
| Balance King 4500 |
450 |
Not a 450 watt psu. Exploded after 5 minutes of operation at 450 watts. |
Hardware Secrets |
| CP Series |
350 |
Not a 350 watt psu. Efficiency well below advertised rating. Terrible ripple. High noise level. |
Hardware Info |
| CP Series |
400 |
Not a 400 watt psu. Efficiency well below advertised rating. High noise level. |
Hardware Info |
| V-Power |
550 |
Rebadged Green Star 550. Burned at 550 watts. |
Hardware Secrets |
| Green Star 450 |
450 |
Not 450 watts as advertised. Could only deliver 360 watts before exploding. Poor Efficiency. Wires too thing. High electrical noise. No protection. |
Hardware Secrets |
| Jumper 450B |
450 |
Terrible Ripple |
Hardware Info |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| iMicro |
| Model |
Watts |
Problems and Issues |
Reviews |
| PS-IM400WH |
400 |
Can only deliver 280 watts. Voltage regulation, ripple, and noise all out of spec. No actuve PFC circuit. Only one SATA connector and no video card power connector. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| In Win |
| Model |
Watts |
Problems and Issues |
Reviews |
| Commander II |
1,200 |
1,100 watt power supply rather than 1,200 watts advertised. Actual OCP on +12V rails is 38 amps instead of 40 amps advertised. Only rated to run continuously at 40C instead of 50C. Sloppy soldering. |
jonnyGURU, AnandTech |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| iStarUSA |
| Model |
Watts |
Problems and Issues |
Reviews |
Claypower
CP-02046 |
460 |
3.3V ripple and noise suppression out of spec. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Inter-Tech |
| Model |
Watts |
Problems and Issues |
Reviews |
Argus RGB-600W II
*** NEW *** |
600 |
80Plus Bronze certification missed, Unshielded Plexiglas side elements, Incomplete protection circuits, Low-cost electronic components, Critical isolation management, Only 24-pin ATX strand with sleeve, Warranty claims can only be made against dealers. |
Computer Base (DE) |
| SL-500 |
500 |
|
Computer Base (DE) |
| Combat Power |
650 |
|
Computer Base (DE) |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Koolance |
| Model |
Watts |
Problems and Issues |
Reviews |
| PSU-1200ATX-12S |
1,200 |
Not 1,200 watts as advertised. Could only deliver 850 watts. Ripple and noise were always high. Mediocre efficiency. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Kmex |
| Model |
Watts |
Problems and Issues |
Reviews |
| PG-500 |
500 |
Advertised as having 80 Plus Bronze Certification but it does not. |
Hardware Secrets |
| PG-580 |
580 |
Advertised as having 80 Plus Bronze Certification but it does not. |
Hardware Secrets |
| PG-650 |
650 |
Advertised as having 80 Plus Bronze Certification but it does not. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| LC-Power |
| Model |
Watts |
Problems and Issues |
Reviews |
| LC380M |
380 |
|
Computer Base (DE) |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Lepa |
| Model |
Watts |
Problems and Issues |
Reviews |
| MX F1 |
600 |
Not 600 watts as advertised. No APFC, Inferior components, inferior capacitors, failed load tests, bad 12V regulation, 5V even worse. |
Hard OCP |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Linkworld |
| Model |
Watts |
Problems and Issues |
Reviews |
| ALL MODELS |
ALL WATTS |
Died well below full power. Mediocre efficiency, Poor build quality, Poor voltage regulation, Abysmal ripple suppression that could kill anything attached. Useless AC male power cord. |
jonnyGURU, Computer Base (DE) |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Logisys |
| Model |
Watts |
Problems and Issues |
Reviews |
| PS350MA |
350 |
Not 350 watts as advertised. Could only deliver 220 watts. Efficiency, voltage regulation, ripple, and noise suppression all out of spec. |
Hardware Secrets |
| PS480X2 |
480 |
Not 480 watts as advertised. Could only deliver 290 watts before shutting down. Efficiency, voltage regulation, ripple, and noise suppression all out of spec. Major solder ball issues. Scary thin wall plug cord. Secondary rectifiers woefully undersized. |
Overclockers |
| PS600A12 |
600 |
Fake 80 Plus logo on box. No PFC circuit. Thin cable wires not to spec. Not 600 watts as advertised. Burned at 375 watts. Efficiency, voltage regulation, ripple, and noise suppression all out of spec. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| MS-Tech |
| Model |
Watts |
Problems and Issues |
Reviews |
| Value Edition |
550 |
|
Computer Base DE) |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Mushkin |
| Model |
Watts |
Problems and Issues |
Reviews |
| HP-550 |
550 |
Not 550 watts as advertised. Voltages not very stable. Totally failed crossload tests. No PFC. Mediocre efficiency. Lots of ripple, even during middle-load testing. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| NorthQ |
| Model |
Watts |
Problems and Issues |
Reviews |
| Black Magic Flex |
650 |
Exploded fduring testing. Not 650 watts as advertised. Voltage out of spec. Loud fan. Questionable capacitors. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| NZXT |
| Model |
Watts |
Problems and Issues |
Reviews |
| Hale82 |
650 |
Ripple and noise suppression go out of spec as temperature increases. 3.3V output below minimum allowed at load. Only rated at 35C. Multiple Japanese capcitors advertised but only one present. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| OCZ |
| Model |
Watts |
Problems and Issues |
Reviews |
| OCZ-ZT650W |
650 |
Can only deliver 75% of rated power. Failed 45C temperature testing. |
Hard OCP |
| OCZ ProXtreme |
1,000 |
Serious temperature issues due to poor design. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Powork |
| Model |
Watts |
Problems and Issues |
Reviews |
| PW-650 |
650 |
Not 650 watts as advertised. Exploded during testing. Very old design not suitable for modern pc's. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Raidmax |
| Model |
Watts |
Problems and Issues |
Reviews |
| RX-735AP |
735 |
+3.3V rail, +5V rail, and +12V rail out of specification; FAILED 80+ Bronze rating; below average voltage regulation; questionable fan and capacitor selection. |
jonnyGURU |
| Cobra Power |
500 |
poor voltage regulation, out of specification Transient Load Test results, mediocre DC output quality, poor component selection/build quality, and laughable efficiency. |
Hard OCP |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Rasurbo |
| Model |
Watts |
Problems and Issues |
Reviews |
| Silent & Power |
550 |
Not 550 watts as advertised. Breaks at 300 watts. No PEG connectors. Very low efficiency at 70%. |
Hardware Info |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Real PC Power |
| Model |
Watts |
Problems and Issues |
Reviews |
| Silence Blue |
550 |
Not 550 watts as advertised. Exploded during testing. Cut corners in every way possible. Tiny heatsinks, questionable caps, missing OCP, tiny regulators,switching transistors, and transformers. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Rocketfish |
| Model |
Watts |
Problems and Issues |
Reviews |
| Rocketfish 700 |
700 |
Best Buy House Brand. Rebadged Huntkey Titan 650. Poor Efficiency. Very high noise levels. Only two video power cables. Video cables do not use 6/8 pin connectors. Only 1 year warranty. Overpriced. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Rosewill |
| Model |
Watts |
Problems and Issues |
Reviews |
| Tokamak 1500 |
1500 |
Ripple suppression at +12V, Noisy, Hold-up time, Inaccurate power ok signal, Inrush current, Lacks a power switch, OPP is configured way too high, 5VSB OCP should be lower |
Tom's Hardware |
| Valens-700 |
700 |
DC Output Quality is terrible and out of specification. Did nopt meet Platinum efficiency. |
Hard OCP |
| Valens-700 |
700 |
DC Output Quality is terrible and out of specification. Did nopt meet Platinum efficiency. |
Hard OCP |
| Performance |
650 |
Could not deliver 650 watts at room temperature. Noise level on +5VSM above maximum allowed. Not enough SATA power connectors. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Silverstone |
| Model |
Watts |
Problems and Issues |
Reviews |
Strider Titanium
ST1100-TI |
1,100 |
100v AC input voltage regulation and DC Output Quality failed to meet the ATX12v specification limits for ripple/noise. Poor voltage regulation. |
Hard OCP |
| Element ST85EF |
850 |
Did not achieve Bronze rating as advertised. Out of spec ripple suppression. Out of spec 12V voltage regulation under load. Failed hot load tests at 46C. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Sinan Power |
| Model |
Watts |
Problems and Issues |
Reviews |
| VP-430 |
430 |
Not 430 watts as advertised. Could only deliver 215 watts before failing. Did not achieve Bronze rating as advertised. Inferior components. No active power factor correction. |
AnandTech |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Sin Tek |
| Model |
Watts |
Problems and Issues |
Reviews |
| 500XPS |
500 |
Not 500 watts as advertised. Could only deliver 400 watts. No PFC. Crossload issue. Excessive ripple at load. Loud fan. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Solid Case |
| Model |
Watts |
Problems and Issues |
Reviews |
Neutron
*** NEW *** |
550 |
build quality is a disaster; could never deliver the rated 550 watts; no user manual; no mounting screws; only 1 year warranty; 12v rail was out of ATX12v specification limit; efficiency numbers were terrible; Transient Load Tests results showed peak values that bounced up and down; 12v rail was out of specification throughout all tests; at 75% load the psu died. |
The FPS Review |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Spire |
| Model |
Watts |
Problems and Issues |
Reviews |
| BlackDragon |
400 |
Efficiency lower than advertised. At full load noise and ripple skyrocketed. Probably a rebadged 350 watt psu. |
Hardware Secrets |
| Jewel Black |
650 |
Advertised as being 80 Plus Bronze compliant but it is not. |
Hardware Secrets |
| Jewel Black |
750 |
Advertised as being 80 Plus Bronze compliant but it is not. |
Hardware Secrets |
| BlackMoon |
750 |
Advertised as having 80 Plus Bronze Efficiency but it does not. |
Hardware Secrets |
| BlackMoon XP |
600 |
Advertised as having 80 Plus Bronze Efficiency but it does not. Outdated design. |
Hardware Secrets, Hardware Heaven |
| BlackMoon XP |
700 |
Advertised as having 80 Plus Bronze Efficiency but it does not. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Sunbeam |
| Model |
Watts |
Problems and Issues |
Reviews |
| BKS580 |
580 |
Not 580 watts. Poor build quality. Poor capacitor quality. Can't do over 200 watts without going out of spec. Poor ripple suppression. Poor Efficiency. Thin gauge wires in cables. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Sun Pro |
| Model |
Watts |
Problems and Issues |
Reviews |
| Young Year YA PB |
500 |
Not a 500 watt psu as advertised. Probably only 200 watts. Old design with very cheap components. Also sold under Apevia, Aspire, Levicom, and Leadership brand names. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Sutai |
| Model |
Watts |
Problems and Issues |
Reviews |
Double Power
P4-500W |
500 |
Not 500 watts. Unit failed at 300 watts. Ripple and noise suppression out of spec. No power switch. Insufficient number of power cables. Ineffective airflow. |
Tom's Hardware |
Double Power
P4-750W |
750 |
Not 750 watts. Unit failed at 350 watts. Ripple and noise suppression out of spec. No power switch. Insufficient number of power cables. Ineffective airflow. |
Tom's Hardware |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Sweex |
| Model |
Watts |
Problems and Issues |
Reviews |
| PS060 |
600 |
Not a 600 watt psu as advertised. Ripple higher than 10% and only comes with one PEG connector. |
Hardware Info |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Tagan |
| Model |
Watts |
Problems and Issues |
Reviews |
| TurboJet |
1,100 |
Not a 1,100 watt psu as advertised. Could only deliver 768 watts. |
Hardware Secrets |
| EasyCon |
530 |
Voltages not stable. Totally failed crossload tests. Poor Cooling. No PFC. Mediocre efficiency. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Techsolo |
| Model |
Watts |
Problems and Issues |
Reviews |
| Black Mamba |
550 |
Not 550 watts as advertised. Can only deliver 275 watts. Two main switches exploded at half load. Power efficiency is terrible. No PFC. |
AnandTech |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Thermaltake |
| Model |
Watts |
Problems and Issues |
Reviews |
| Smart-M |
1,000 |
Ripple well over spec at full load, cold or hot. Hot ripple at mid range loads is absolutely terrible |
Overclockers |
| TR2 RX |
750 |
Cannot deliver 750 watts at high temperatures. Ripple and noise are way above maximum allowed. |
Hardware Secrets |
| Smart |
430 |
Could not achieve efficiency rating. Ripple and noise were high on the smaller outputs. |
AnandTech |
| Purepower 430 NP |
430 |
Not 450 watts as advertised. Could only deliver 350 watts. Old ATX12V 1.03 design. High noise level at 350 watts. |
Hardware Secrets |
| Purepower |
500 |
Not 500 watts as advertised. Could only deliver 400 watts for a few seconds. +12 voltage lower than minimum allowed. Could not achieve efficiency rating above 300 watts. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Tivco |
| Model |
Watts |
Problems and Issues |
Reviews |
| TVPS450 |
450 |
Not 450 watts as advertised. Could only draw 310 watts. Energy efficiency rating is false. Not compatible with EPS12V standard - no EPS12V connector. No auto switching circuitry as advertised. No overcurrent/voltage/power protection as advertised. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Topower |
| Model |
Watts |
Problems and Issues |
Reviews |
| TOP-1100P10 |
1,100 |
The +5VSB could not deliver correct current and power. Efficiency drops at full load. Two noisy 80mm fans |
Hardware Secrets |
| TOP-300SSA |
300 |
Not 300 watts as advertised. Exploded during testing. Very low quality capacitors. Very bad Ripple. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Ultra |
| Model |
Watts |
Problems and Issues |
Reviews |
| X4 |
850 |
Did not achieve advertised efficiency rating. Marginal DC output quality. Poor Soldering |
Hard OCP |
| X4 |
1050 |
Did not achieve advertised efficiency rating. Poor Soldering |
Hard OCP |
| X4 |
1,200 |
Did not achieve advertised efficiency. Poor voltage regulation on the 3.3V and 5V rails. Sloppy build quality. No overtemp shutdown until almost too late. |
jonnyGURU, Hardware Heaven |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Ultron |
| Model |
Watts |
Problems and Issues |
Reviews |
| Silent Force |
380 |
|
Computer Base (DE) |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Unknown Brand |
| Model |
Watts |
Problems and Issues |
Reviews |
| LPK-225 |
420 |
Not 420 watts. Exploded during 300 watt load test |
Tom's hardware |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| VisionTek |
| Model |
Watts |
Problems and Issues |
Reviews |
| 700W |
700 |
Not a 700 watt psu as advertised. Barely managed 347 watts. Old design with extremely poor integration, corner cutting, knockoff/cheap components (Cheng/Chang/Chengx capacitors), and atrocious support. Everything out of spec. |
Hard OCP |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Xigmatek |
| Model |
Watts |
Problems and Issues |
Reviews |
| NRP-PC502 |
500 |
Failed overshoot transient testing. Out of spec high ripple noise on 3.3V rail. Erratic voltage regulation. |
jonnyGURU |
| NRP-MC802 |
800 |
Poor voltage regulation on all rails. Did not achieve Bronze efficiency at higher loads and temps. |
jonnyGURU |
| NRP-MC1002 |
1,000 |
Mixed component quality. Transient load tests within specs but not good. |
Hard OCP |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Xion |
| Model |
Watts |
Problems and Issues |
Reviews |
| PowerReal |
700 |
Old design. Poor voltage regulation. Poor efficiency. No PFC. No fan control switch as advertised. |
jonnyGURU |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
| Zalman |
| Model |
Watts |
Problems and Issues |
Reviews |
| ZM450-US |
450 |
Not 450 watts as advertised. Poor voltage regulation. |
Hard OCP |
| ZM600-ST |
600 |
Not 600 watts as advertised. Efficiency drops above 360 watts. High noise and ripple levels. Two video card connectors attached to the same cable. |
Hardware Secrets |
| ZM850-HP |
850 |
Voltage below minimum allowed on +3.3 volt rail. can't deliver advertised efficiency. High price. |
Hardware Secrets |
| Please read the power supply reviews for detailed descriptions of problems and issues.
|
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