Will these components work well in this system?

dzsoni19

Distinguished
May 21, 2014
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My friends wants to build a cheap gaming rig.
Can suggest a PSU for this?

Mobo: asus z77-a
CPU: Intel i5 3340
RAM: Corsair Vengeance 8gb 1600mhz
GPU: Gainward Geforce GTS 450 (currently owns this vga)
PSU: ??

he has every other component, like hdd,odd and chassis.

No need to run the latest games on high details.