which power supply?

hamzaahmed

Honorable
Nov 9, 2013
82
0
10,630
Hi

this is my current build (with soon upgrades)
I5 4670k OC to 4.2Ghz
Msi Z87 GD45
2X4GB Vengance lp
hyper Evo 212 cooler
1tb wd Blue
120gb samsung evo ssd
250gb samsung evo ssd
R9 270x hawk sli

i was wondering how much power i will need to run this smoothly and have no power problems

and which power supply's you recommend

i currently have a cx750 is that good enough or should i upgrade if so to which one?