How much do I really need

DutchPC · Feb 9, 2014

http://pcpartpicker.com/p/2Qa1I So How much watt psu do I really need. I'm going to overclock my cpu. I was thinking of buying a 750 watt psu But can I also do it with 650 watt?

hunter315 · Feb 9, 2014

You can run a GTX 770 and i5 4670k with OCing on a 550W PSU. If you want to do SLI down the line step it up to 750W.
http://pcpartpicker.com/part/xfx-power-supply-p1550sxxb9

DutchPC · Feb 9, 2014

How much can I oc then or doesn't that matter

Dark Lord of Tech · Feb 9, 2014

750W would be overkill on those specs.

This will be more than enough power for what you want to do.

EVO is a budget cooler that will allow for mild overclocking.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 650W 80+ Bronze Certified ATX Power Supply ($64.99 @ NCIX US)
Total: $64.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-02-09 14:01 EST-0500)

hunter315 · Feb 9, 2014

Quite a ways, you will be pulling about 400W from the PSU at stock clocks, so you have a fair amount of headroom to OC with, your biggest issue will likely be keeping the GPU cool, that will probably limit the OC on that.

qbsinfo · Feb 9, 2014

a 650 is MORE than enough:

http://www.youtube.com/watch?v=LiWThqgFfI4

(btw, its been awhile since i have been active, anyone know if posting the video instead of just the link is still possible?)

ko888 · Feb 9, 2014

qbsinfo :

Yes it is.

That author loses all credibility when he can't even correctly describe what 80 PLUS efficiency means.

qbsinfo · Feb 9, 2014

ko888 :

lol. i know but at least he can correctly read a watt meter. :ange:

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