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How Much Power Supply i need?


FPCH Member
Mar 16, 2013
Hi everyone im building my own pc for gaming and the part im struggling with is the power supply cuz im not sure on how much power i need, obviously i want enough but i also want a bit spare for upgrades in the future such as another graphics card etc. my spec is

ASRock Z77 Extreme 4 Intel Z77 Socket 1155 Motherboard

Processor : Intel i5 3570

Processor Cooler:
Coolermaster Hyper 212 Evo

RAM: 16gb

Graphics Card :
XFX 7950 3GB Black DD Edition

SSD: Samsung 120GB SSD 840 SATA 6Gb/s Basic

HHD :Western Digital Caviar Black 1TB

Case: Xigmatek Alfar Midi Tower Windowed Case
the case has a few fans on also.
btw is this set up good enough to play the latest games on high?
thanks for any help :eek:


FPCH Long Term Member
Dec 27, 2011
PC Experience
Very Experienced
Hi. Welcome to the forum.

A 750watt PSU will be ideal for your current build and an additional 7950 if wanted.

For a reasonable 750w PSU your looking at £60+ minimum.

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