does my custom build need a 750w psu

KeyboardWarrior9 · Feb 28, 2015

r9 270x dual x gpu

msi 970 gaming motherboard

hyper x 8gb 1600mhz

Nuckles_56 · Feb 28, 2015

No, you should be fine with a 450W one instead

gwapito · Feb 28, 2015

you didn't mention your cpu, how many hdd or ssd, overclock or not?
Heres some figure of entire system power consumption with r9 270x

http://www.anandtech.com/show/7503/the-amd-radeon-r9-270x-270-review-feat-asus-his/16

TechyInAZ · Feb 28, 2015

Nuckles_56 :

750W is way overkill, but 450W in my opinion isn't enough since you want at least around 100W of extra headroom.

500-600W psu is fine.