psu 101

Forum discussion tagged with psu 101.
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    [SOLVED] Corsair cx-650f psu coil whine and efficiency question

    Just installed my Corsair cx psu and Ive noticed There's an aggregious coil whine, I'm just wondering if it's worth returning as in hindsight I maybe should've got a more energy efficient and higher quality PSU :/ in these times where energy prices are so high (I'm in the UK) do you think I...
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    Question Would I need 750w or 850w?

    Now I had the option to buy gigabyte aorus P850W 80+ GOLD modular but it has become out of stock right now and unfortunately importing most goods is stopped right now where I live and now I have the option of getting the same model but with 750w. So my question is would I really be missing out...
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    [SOLVED] OCZ Psu, Need to replace?

    I have an old ocz 1250w zx gold psu in my rig since 2013, recently my pc keeps randomly shutting off and I think its the psu, should I replace it or wait until it dies?