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

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

this is my computer: http://h20000.www2.hp.com/bizsupport/TechSupport/Docume...

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.
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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 :) 
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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.
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