Bought weak PSU, is this a compatible replacement?

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Solution
ko888
For a system using a single AMD reference design Radeon HD 7950 graphics card AMD specifies a minimum of a 500 Watt or greater system power supply. The power supply should also have a maximum combined +12 Volt continuous current rating of 30 Amps or greater and have at least two 6-pin PCI Express supplementary power connectors.

Your old PSU was right on the borderline but over time a PSU will lose some of its ability to deliver its full power rating.

I would recommend the Seasonic G Series SSR-550RM over the OCZ ZT 550W. The Seasonic has much better electrical performance.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151119
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bigpinkdragon286

Splendid
Oct 3, 2012
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Sounds like you're bumping into the overcurrent protection of your current power supply, and it's shutting off to save itself.

I agree with ko888 that we should take a look at what you're asking the power supply to run before passing judgment on whether your chosen replacement will be up to the task. No sense having the same problem twice.
 
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flumpusfoo

flumpusfoo

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Jun 18, 2010
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Thank you for both for your inquiries! Note, I do plan to add a couple HDDs.


    ■ CASE NZXT| CA-TP210-01 RTL
    ■ MB MSI|970A-G43 AMD970 950 AM3+ R
    ■ VGA HIS|H795QMC3G2M HD7950 3G R
    ■ PSU ENERMAX|NAXN 450W ENP450AST R
    ■ CPU AMD|6-CORE FX-6300 3.5G 8M R
    ■ MEM 4Gx4|KHX KHX16C9B1RK2/8X R
    ■ SSD 500G|SAMSUNG MZ-7TE500BW R
    ■ DVD BURN SAMSUNG | SH-224DB/RSBS R
    ■ MS WIN 8.1 PRO 64 BIT
 
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ko888

ko888

Titan
Feb 18, 2009
16,708
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For a system using a single AMD reference design Radeon HD 7950 graphics card AMD specifies a minimum of a 500 Watt or greater system power supply. The power supply should also have a maximum combined +12 Volt continuous current rating of 30 Amps or greater and have at least two 6-pin PCI Express supplementary power connectors.

Your old PSU was right on the borderline but over time a PSU will lose some of its ability to deliver its full power rating.

I would recommend the Seasonic G Series SSR-550RM over the OCZ ZT 550W. The Seasonic has much better electrical performance.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151119
 
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Solution
flumpusfoo

flumpusfoo

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Jun 18, 2010
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18,510




Excellent information. I will take your advice. Thank you!
 
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