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How do I know which PSU is compatible with my computer?

Last response: in Components
April 11, 2013 11:07:29 PM

this is my computer:

i want to upgrade my GPU, which means that i have to upgrade my weak 300W PSU, so how do i know which ones will work on my pc?

edit: im upgrading to the Radeon HD 7770 (requires 400W min.) and i dont want to spend more than $50 on the PSU
a b ) Power supply
April 11, 2013 11:16:49 PM

you need to know what dimensions the psu can be in accordance to the case rather than other parts of the computer. some cases can only fit certain size psus.

Best solution

a b ) Power supply
April 11, 2013 11:28:42 PM

On the page you linked it states that the PSU form factor is ATX. This is the general standard for PSU's so your case should fit any regular PSU.
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a b ) Power supply
April 12, 2013 4:21:56 AM

So what is your budget? And you plan to add anything to the PC ?

If not Antec Vp 450 is the best choice. It will provide the power for your pc :) 
April 12, 2013 6:12:24 AM

What gpu are you upgrading to? If it's a half decent 300W PSU, it should be able to take one of the lower power GPUs.