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Are there problems with buying a used PSU?

post #1 of 19
Thread Starter 
My friend's friend told him that he's selling his 2 year old corsair hx620 PSU. 2 cables are missing for the fans but I won't need it anyway other than that are there any thing I should be worried about? He'll give me a week in warranty to test it out (I don't even know what I should be testing lol) or should I just buy a brand new one though it won't be corsair cause they're too expensive for me. I'll probably have to settle with a 500 watt seasonic or a 600 watt silent pro m cooler master.

My electricity's pretty crazy too, I think it's grounded. I get shocks whenever I touch the metal part of my PC.
Edited by eugene12345 - 3/13/11 at 4:20am
My System
(13 items)
 
  
CPUMotherboardGraphicsHard Drive
Intel Q8400 (stock) MCP73M01H1 (Napa) GT 210 Seagate 500GB 7200 rpm 
OS
Windows 7 
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My System
(13 items)
 
  
CPUMotherboardGraphicsHard Drive
Intel Q8400 (stock) MCP73M01H1 (Napa) GT 210 Seagate 500GB 7200 rpm 
OS
Windows 7 
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post #2 of 19
I wouldn't risk it.
post #3 of 19
buying used one's, it's not a good idea .. just get cash and buy a brand new, that will serve u a big while .. cuz used one's can have problems a.o. .. but buying a brand new u can have a longer warranty and it's safer
My PC Specs
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Athlon II x4 640,3 Ghz NVIDIA MCP61 Geforce 450 GTS 4 GB 
Hard DriveOSKeyboardPower
500Gb , 75 GB Windows 7 Ultimate 64-bit Logitech Intel Terch 500W 
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Genius 
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My PC Specs
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AMD Athlon II x4 640,3 Ghz NVIDIA MCP61 Geforce 450 GTS 4 GB 
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500Gb , 75 GB Windows 7 Ultimate 64-bit Logitech Intel Terch 500W 
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Genius 
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post #4 of 19
I'll have to agree with the guys above.

You can't really tell how much stress there's been made to that PSU of your friend.

I would only buy a used PSU if it was within 6months-1year old.

If it's 2 years old, I recommend you to save enough cash and buy a new one yourself.

You never know how bad it's been stressed.
    
CPUMotherboardGraphicsGraphics
Intel Core i7 7700k ASUS Maximus IX Formula EVGA GTX1080 Ti *soon* EVGA GTX1080 Ti *soon* 
RAMHard DriveHard DriveHard Drive
16GB Corsair Dominator Platinum 2666MHz CL16 Samsung 950 PRO M.2 512GB WD Red 4TB WD Green 1TB 
CoolingOSMonitorKeyboard
Corsair H110i GT Windows 10 PRO ASUS ROG Swift PG279Q Corsair K70 RGB MX Brown 
PowerCaseMouseMouse Pad
EVGA Supernova T2 850W Phanteks Enthoo Luxe Logitech G900 Chaos Spectrum Razer Destructor 2 
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Beyerdynamic DT-770 PRO 80ohm JDS O2+ODAC Zalman MIC-M1 
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CPUMotherboardGraphicsGraphics
Intel Core i7 7700k ASUS Maximus IX Formula EVGA GTX1080 Ti *soon* EVGA GTX1080 Ti *soon* 
RAMHard DriveHard DriveHard Drive
16GB Corsair Dominator Platinum 2666MHz CL16 Samsung 950 PRO M.2 512GB WD Red 4TB WD Green 1TB 
CoolingOSMonitorKeyboard
Corsair H110i GT Windows 10 PRO ASUS ROG Swift PG279Q Corsair K70 RGB MX Brown 
PowerCaseMouseMouse Pad
EVGA Supernova T2 850W Phanteks Enthoo Luxe Logitech G900 Chaos Spectrum Razer Destructor 2 
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Beyerdynamic DT-770 PRO 80ohm JDS O2+ODAC Zalman MIC-M1 
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post #5 of 19
well yes and no..... the yes theres a problum say the power suply was a 500w and it was 2 years old it would only be like a 450w or somthing and is not at quiet or as cool... for the no as it is a good price as you could get a power supply half the price for the new ones.. if it is newish then go ahead

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4.20ghz
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i3 540 Gigabyte GA-H55M-UD2H Intel H55 Nvidia 285 Corsair XMS3 4GB 
Hard DriveOptical DriveOSMonitor
250g deskstar Dvd RW Windows 7 Ultimate 64bit Lg 19" 1400 - 900 
PowerCase
corsair 620w jeantech Unicorn 
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4.20ghz
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i3 540 Gigabyte GA-H55M-UD2H Intel H55 Nvidia 285 Corsair XMS3 4GB 
Hard DriveOptical DriveOSMonitor
250g deskstar Dvd RW Windows 7 Ultimate 64bit Lg 19" 1400 - 900 
PowerCase
corsair 620w jeantech Unicorn 
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post #6 of 19
Isn't there some OCCT test you can use to stress the PSU? You may be able to use that to get some determination of the condition/quality of the PSU.

EDIT: Also, I would be comfortable buying it based entirely on the rig it was used in. If it was something like mine, lower tier with not a lot of power draw, I'd go for it. If he was running an i7 and SLI, it may have put a lot of stress on the PSU.
BENDER-PC
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Xigmatek HDT-S1283 Windows 8 x64 S22B310B OCZ Fatal1ty 550W 
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BENDER-PC
(17 items)
 
  
CPUMotherboardGraphicsRAM
i3-540 @ 4.23 GHz Gigabyte GA-H55-USB3 GTX760 SSC 4gb G.Skill Ripjaws DDR3 1600 
Hard DriveHard DriveHard DriveOptical Drive
Sandisk Extreme Samsung F3 Samsung F4 LG Super-multi 
CoolingOSMonitorPower
Xigmatek HDT-S1283 Windows 8 x64 S22B310B OCZ Fatal1ty 550W 
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CoolerMaster HAF 912 Mionix Naos 3200 Steelseries Brainwavz HM4 Headphones 
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post #7 of 19
4.20ghz
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i3 540 Gigabyte GA-H55M-UD2H Intel H55 Nvidia 285 Corsair XMS3 4GB 
Hard DriveOptical DriveOSMonitor
250g deskstar Dvd RW Windows 7 Ultimate 64bit Lg 19" 1400 - 900 
PowerCase
corsair 620w jeantech Unicorn 
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4.20ghz
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i3 540 Gigabyte GA-H55M-UD2H Intel H55 Nvidia 285 Corsair XMS3 4GB 
Hard DriveOptical DriveOSMonitor
250g deskstar Dvd RW Windows 7 Ultimate 64bit Lg 19" 1400 - 900 
PowerCase
corsair 620w jeantech Unicorn 
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post #8 of 19
Quote:
Originally Posted by LingLing1337;12714238 
Isn't there some OCCT test you can use to stress the PSU? You may be able to use that to get some determination of the condition/quality of the PSU.

EDIT: Also, I would be comfortable buying it based entirely on the rig it was used in. If it was something like mine, lower tier with not a lot of power draw, I'd go for it. If he was running an i7 and SLI, it may have put a lot of stress on the PSU.


doing that thought puts more power to everything meaning you could do some bad pc damage..... so dont do that lol....
4.20ghz
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i3 540 Gigabyte GA-H55M-UD2H Intel H55 Nvidia 285 Corsair XMS3 4GB 
Hard DriveOptical DriveOSMonitor
250g deskstar Dvd RW Windows 7 Ultimate 64bit Lg 19" 1400 - 900 
PowerCase
corsair 620w jeantech Unicorn 
  hide details  
Reply
4.20ghz
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i3 540 Gigabyte GA-H55M-UD2H Intel H55 Nvidia 285 Corsair XMS3 4GB 
Hard DriveOptical DriveOSMonitor
250g deskstar Dvd RW Windows 7 Ultimate 64bit Lg 19" 1400 - 900 
PowerCase
corsair 620w jeantech Unicorn 
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post #9 of 19
It's fine to buy a used power supply. It's not like they magically turn to **** as soon as they change hands.


"oooh oh no what about capacitor derating???????????????????"
It's a myth, it only becomes significant after years and years of use. Capacitors can die, when ones of poor quality are used, but they don't magically turn crappy after twelve months of moderate use.




See, this is the reason I can't sell any of my review samples, the second you take it out of the box people are afraid the PSU has herpes or something. Annoying.
post #10 of 19
It's probably fine, just investigate the root cause of the sale.

"Oh I just felt it was the time to upgrade it" should be a red flag when buying a PSU.
Waiting on X399
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Plantronics Gamecom 788 
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Waiting on X399
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Phenom II B57 @ X4 3.9 Gigabyte 790FXTA-UD5 Sapphire Radeon 290 8 GB G.Skill 2133 
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250 GB 840 EVO Noctua NH-D14 Windows 10 Logitech K350 
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Seasonic x750 Corsair 600T Logitech G100s Razer Goliathus Speed 
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Plantronics Gamecom 788 
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