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Thread: Help choosing new PSU

  1. #1
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    Default Help choosing new PSU

    Hi all!

    So I have been using my XFX PRO Silver 750W XXX Edition for 8 years now, and just after upgrading my GPU to Sapphire Nitro+ 5700XT (Previously GTX970) I noticed it's making a buzzing noise under load. So, I know it's already risky to keep the same PSU on my 3rd system, but after I heard the noise I decided to change it before it blows up or something😀

    I made some research and found below options in my country. Also my system is like below;

    Ryzen 1600 @ 3700Mhz - Stock Cooler
    MSI Mortar B450 Mortar Max
    2x16GB 3200Mhz Ballistix Sport LT
    Sapphire RX 5700 XT Nitro+
    1xSSD & 1xHDD (Caviar Blue)
    Fractal Design Define Mini C
    2x140mm BeQuiet! Silent Wings 3 High RPM
    1x120mm BeQuiet! Silent Wings 3 High RPM

    So, the PSU alternatives that I found are as below. (We don't have many good 500-600W range options in my country, sadly.)

    Be Quiet PURE POWER 11 BN297 500W ==> 92 USD
    Cougar GX-S CGR-GS-650 650W ==> 100 USD
    Corsair SF450 80+ Platinum 450W ==> 102 USD
    Gigabyte 750W Aorus P750W ==> 116 USD (Bought this one after reading Aris' review, but turned out to be defective unit with fan noise, so I returned it.)
    Be Quiet PURE POWER BN299 700W ==> 121 USD
    Be Quiet Straight Power 11 BN281 550W ==> 125 USD
    Corsair TX750M CP-9020131-EU 750W ==> 130 USD
    NZXT E500 NP-1PM-E500A-EU 500W ==> 137 USD
    FSP Hydro G HG750 750W ==> 143 USD
    Cooler Master MWE Gold 750 MPY-7501-ACAAG-EU 750W ==> 145 USD
    Corsair (2018) RM750X CP-9020179-EU 750W ==> 165 USD

    So what would you suggest for me to pick up on this list.

    Initially I was set on Straight Power 11 550W but then suprised with SF450 Platinum's price, but can't be sure if I want to go with 450W since the cable lenght will be a problem.

    Thanks in advance, cheers!

  2. #2
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    Default

    Straight Power 11 550W indeed, best option for your PC IMO.

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    Default

    Quote Originally Posted by -The_Mask- View Post
    Straight Power 11 550W indeed, best option for your PC IMO.
    Thanks! Yes that's what I thought actually.

    But, after I saw in CES that Platinum Straight Power series will be available this year, will it be beneficial to wait for these? Althought I don't know what will be different apart from efficiency rating...

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    It's already launched and available here. But yeah only a small efficiency difference, which you won't notice.

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    Default

    Thanks! Just ordered SP11 550W Gold

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    To avoid problems with the unstable OS, calculate the power consumption of all components of your system. Use the power calculator for calculating the power of the PSU (for example, MSI), where you can determine the optimal power figures. If you build the PC yourself, then you should know about this, I bought myself an assembly here

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