ATX power supply

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  1. Posts : 4,094
    Windows 7 HP 64 - Windows 10 Pro - Lubuntu
       #11

    bobkn said:
    Since this didn't include the standard warning, I'll add it:
    A PSU can have high voltages present internally. I don't know how long you need to wait after unplugging it before it's safe to poke around inside, but caution is warranted.
    Good advice. Inside capacitors can be charged with up to 400v DC.
    After disconnecting the power cord, wait ~5 minutes.
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  2. Posts : 297
    Windows 10 - Ver: 20H2 - Build: 19042.804
    Thread Starter
       #12

    Thanks all, i was wondering if it's easier to replace the whole PSU, then playing arround inside the PSU. A new PSU at 650watts is only ~400 Danish kroner
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  3. Posts : 4,457
    Win 11 Pro 22000.708
       #13

    sbh7600 said:
    Thanks all, i was wondering if it's easier to replace the whole PSU, then playing arround inside the PSU. A new PSU at 650watts is only ~400 Danish kroner
    If the problem is the fan, replacing that would be the cheap way to go. That assumes that you can swap in an industry standard fan.

    I'm not sure that I'd recommend a 400 kroner PSU. (That's roughly $60US at the current exchange rate.) The least expensive 650W class PSUs that I see at my favorite online vendor (Newegg.com) that I'd want are about $90. It wouldn't surprise me if the same models were 800 kroner in Denmark. (Health care is expensive in the US. Computer parts are relatively cheap.)
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  4. Posts : 7,137
    Windows 10 Pro 64 bit
       #14

    It could just be dust build up on the fan - try cleaning it. I see you have an XFX PSU. I had two of those fail under warranty by failing to output the +5V standby voltage rendering the PC non-bootable. I now use EVGA PSUs having a 10 year warranty.
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  5. Posts : 297
    Windows 10 - Ver: 20H2 - Build: 19042.804
    Thread Starter
       #15

    bobkn said:
    If the problem is the fan, replacing that would be the cheap way to go. That assumes that you can swap in an industry standard fan.

    I'm not sure that I'd recommend a 400 kroner PSU. (That's roughly $60US at the current exchange rate.) The least expensive 650W class PSUs that I see at my favorite online vendor (Newegg.com) that I'd want are about $90. It wouldn't surprise me if the same models were 800 kroner in Denmark. (Health care is expensive in the US. Computer parts are relatively cheap.)
    Here it is, it's a Corsair :
    Corsair VS650 650W - wupti.com

    If i should try replasing it, what model would you recommend?

    Steve C said:
    It could just be dust build up on the fan - try cleaning it. I see you have an XFX PSU. I had two of those fail under warranty by failing to output the +5V standby voltage rendering the PC non-bootable. I now use EVGA PSUs having a 10 year warranty.


    You could be right, but i have tried blowing the PSU with air and hasn't helped much :-(
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  6. Posts : 4,457
    Win 11 Pro 22000.708
       #16

    sbh7600 said:
    Here it is, it's a Corsair :
    Corsair VS650 650W - wupti.com

    If i should try replasing it, what model would you recommend?



    You could be right, but i have tried blowing the PSU with air and hasn't helped much :-(
    I can't claim to be current (no pun intended) with power supplies. The most recent one I purchased was by Seasonic, but I don't see them among the brands at your link. eVGA is another brand I'd feel pretty safe with.

    Corsair has a pretty favorable reputation. The VS650 seems to be their cheapest 650W PSU; maybe you'd want one from a higher-end series. I prefer modular and semi-modular PSUs.
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  7. Posts : 7,137
    Windows 10 Pro 64 bit
       #17

    bobkn said:
    I can't claim to be current (no pun intended) with power supplies. The most recent one I purchased was by Seasonic, but I don't see them among the brands at your link. eVGA is another brand I'd feel pretty safe with.

    Corsair has a pretty favorable reputation. The VS650 seems to be their cheapest 650W PSU; maybe you'd want one from a higher-end series. I prefer modular and semi-modular PSUs.
    I was induced to buy an EVGA PSU which has good potential to be reliable which is my current experience. The XFX PSUs I had failed to deliver the +5V potential difference.
      My Computers


  8. Posts : 297
    Windows 10 - Ver: 20H2 - Build: 19042.804
    Thread Starter
       #18
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  9. Posts : 4,457
    Win 11 Pro 22000.708
       #19

    58.3A on a single +12V rail? Good.

    It's not modular, but that's not a significant criticism.
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  10. Posts : 297
    Windows 10 - Ver: 20H2 - Build: 19042.804
    Thread Starter
       #20

    Please link to one :-D
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