Want to purchase a new PSU. Any suggestions?


  1. Moodus
    Posts : 34
    Windows 7 Home Premium 64-bit
       New #1

    Want to purchase a new PSU. Any suggestions?


    Hi all,

    I'm currently looking to purchase a new PSU for my machine. I used the watt calculator here ASUSTeK Computer Inc. -Support- Recommended Power Supply Wattage Calculator and determined that I need at the least a 400 W PSU.

    I realize that when it comes to PSU's it is more complicated than, "the more watts the better". Just curious what would work with my system. Here are my specs:

    Computer type: Desktop

    Manufacturer: Custom build

    OS: Windows 7 Home Premium 64-bit

    CPU: AMD Phenom (tm) II X4 925 Processor

    Motherboard: Asus MSO-M4N68T-MV2(B)

    Memory: 4 GB

    Graphics Card(s): ATI Radeon HD 5570

    Hard Drives: Hitachi HDS721010CLA332

    Apologies if I forgot something.

    Any input would be greatly appreciated. Thanks!
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  3. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #2

    I believe in power supplies with a little more watts and 12+ amps.
    If it was my computer I would select something in the 600/650 watt and 40+ amp on the 12v+
    I also recommend a full modular power supply. They are a bit more money but they are worth it. These two below should give you quality but are not full modular.

    The Seasonic

    Welcome to Seasonic USA

    or the Corsair.

    HX Series HX650 Power Supply ? 650 Watt 80 PLUS® Gold Certified Modular PSU
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  4. Moodus
    Posts : 34
    Windows 7 Home Premium 64-bit
    Thread Starter
       New #3

    Layback Bear said:
    I believe in power supplies with a little more watts and 12+ amps.
    If it was my computer I would select something in the 600/650 watt and 40+ amp on the 12v+
    I also recommend a full modular power supply. They are a bit more money but they are worth it. These two below should give you quality but are not full modular.

    The Seasonic

    Welcome to Seasonic USA

    or the Corsair.

    HX Series HX650 Power Supply ? 650 Watt 80 PLUS® Gold Certified Modular PSU

    Thanks for the reply! I was actually just looking at a Seasonic model here:

    SeaSonic M12II 620 Bronze 620W ATX12V V2.3 / EPS 12V V2.91 SLI Ready 80 PLUS BRONZE Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready - Newegg.com

    Full modular at 620 W (unsure about the amperage) and 12v+ for under $100.00 USD.
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  6. ignatzatsonic
    Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       New #4

    That Seasonic M12II is a good unit; been around quite a while.

    Here's another good Seasonic 450 watt fully modular 80 Plus Gold PSU at Amazon. I don't see it right now at Newegg. A bit cheaper than the M12II.

    Amazon.com: Seasonic SSR-450RM ATX 12V/EPS 12V 450-Watt 80 Plus Gold certified PFC Power Supply: Computers & Accessories
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