How much power would this PC need?

Brigglezz

Honorable
Dec 8, 2013
3
0
10,510
I am planning on upgrading a PC I have, not anytime soon, but I will. I want to know how much power it would need.
AMD FX-8350 CPU
ASUS M5A97
Radeon R9 270X 2GB
1 TB WD HDD
2 sticks DDR3 1600MHz RAM
1 CD-ROM Drive
1 120mm case fan
average 4 USB devices (including mouse and keyboard)