Need help finding reasonable replacement PSU

im trying to upgrade my graphics card from a gt 430 to a hd 7770 but i realized my PSU doesnt meet the needs of the hd 7770 so i am looking for a reasonable cheap replacement PSU for the one that came in my case

Specs:
CPU: Amd A4-5300
Ram: Crucial Ballistix ram 8gb (2x4gb)
HD: 500gb seagate barracuda 7200rpm
MOBO: Asus F2A55-m Lk Plus
Case (w/PSU): Sentey CS1-1399
PSU: 450w BCP450-OC

I was looking at something like a Dynex 520w PSU, which i know are kinda crap, but they seriously cant be worse then the one currently in it, just so i can run the card until i get a decent PSU (something like a corsair cx600)

Im kind of lost but i know that my current PSU does not have the correct amperage to support a hd 7770
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More about need finding reasonable replacement
  1. Hi. The Corsair CX430 will be sufficient for your system and it's cheaper and better than that Dynex. Newegg has it for $20 after promo code and rebate right now: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139026
  2. vulturepro said:
    im trying to upgrade my graphics card from a gt 430 to a hd 7770 but i realized my PSU doesnt meet the needs of the hd 7770 so i am looking for a reasonable cheap replacement PSU for the one that came in my case

    Specs:
    CPU: Amd A4-5300
    Ram: Crucial Ballistix ram 8gb (2x4gb)
    HD: 500gb seagate barracuda 7200rpm
    MOBO: Asus F2A55-m Lk Plus
    Case (w/PSU): Sentey CS1-1399
    PSU: 450w BCP450-OC

    I was looking at something like a Dynex 520w PSU, which i know are kinda crap, but they seriously cant be worse then the one currently in it, just so i can run the card until i get a decent PSU (something like a corsair cx600)

    Im kind of lost but i know that my current PSU does not have the correct amperage to support a hd 7770


    JJ is right on, cx430(will run a sys with one 7770) at that price is an ex value.
  3. I always recommend these for low budgets, the Corsair is fine too.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817371045

    Then, you should also look at a 650Ti for an extra $20-30. It'll still work with either of the PSU's.
    http://www.anandtech.com/bench/Product/536?vs=680
    http://www.newegg.com/Product/Product.aspx?Item=N82E16814127710
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