used PSU or brand new, and how many watts

hi, i know there's like a thousand guides and calculators out there, but everything gives me a different answer, asked a few PC repair guys/sellers and they also gave very different answers.

basically i have a friend who has a used 500W PSU-seasonic ss-500et, some said 500W is not enough, others said it's enough. PSU caclulators say i need 360...
his PSU works, no risk in that regard, i'm worried about it being insufficient and ruining the components. i've heard multiple times it's extremely important to pick the right PSU.

GeForce GTX 460 1GB golden-sample
mobo-P43 Neo
Core 2 quad q8300
4gb DDR2 ram 800 mhz.

is it too risky getting that 500W PSU?

Thanks ahead :) .
3 answers Last reply Best Answer
More about psu brand watts
  1. Recommended PSU for GTX-460 is 450W so you should be fine with your friends 500W PSU from Seasonic! :)
  2. no the 500w will be fine for a one video card rig like yours.
  3. Best answer
    Yes, picking the right PSU is very important. In your case, even a PSU with 400watts will be more than enough, since the system will draw no more than 250-300watts under load or gaming.
    Your friends PSU is good one, i don't know how much is selling it to you, but you might want to get a new one. Something like XFX 550w is now on sale for $59, which is pretty good PSU and it will serve you in the future if you want to upgrade to more power hungry GPU.
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