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how many watts would i honestly need?

P

PSUstoekl

Member
i'm putting a computer together, with one video card (probably an R520) and one 3200+. one 250gb hard drive, two cd drives. 2 sticks of 512. do i really need a 450W PSU, or will 350 suffice?
 
350 watts is fine. Just make sure you have a strong 12v rail, I would say 20amp minimum.

Originally posted by: PSUstoekl
can you explain to me this whole voltage thing, or give me a link that does?
Click to expand...

Modern graphics cards and CPU draw their power off the 12v rail so it's important to pay particular attention there.

Voltage x amps = watts. 20 amps x 12v = 240 watts for the 12v rail, which is plenty for just about any single CPU non SLI system.
 
ok, great. i'll probably be getting one that's >400, so it looks good then. I'll take into account the bit about 12v, needless to say.
 
Quality > watts

Your system can be fine with a asus 300 w psu...

Never buy a bad quality psu taugh, whatever the power. It can fries...a lot of things...
 
running a 380watt antec tp 2, granted i dont have a monster of a vid card but i have 4 hds and overclocking on stock 1.35 voltage.
 
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