Hi, I'm building a pc but have recently bought a XFX PRO 450w to replace the one in my old PC (which, naturally, made me want to replace ALL the parts). If possible I would like to avoid getting a new PSU as the one I bought is less than a month old.
this is the system I am looking to build (I already have the GPU from old system too):
I'm worried that it will work, but if I put it under any stress it won't. I'm not planning to overclock anything. I would appreciate any advice as I have not been able to make much sense of what I have read.
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More aboutpowerful enough
Yes. More than adequate.
An 8800GTS (depending on the model - there are 4) only needs about 10 amps (120 watts). The CPU needs no more than 8 amps. I doubt if the rest of the system will pull more than 100 watts,
You should be fine. I ran a core i7, 6gb ram, and a Nvidia GTX460 off a Antec 430w.