What is the suitable PSU for my rig, 550w or 650w??

acab1707

Reputable
Jul 26, 2014
4
0
4,510
Can someone suggest me the suitable PSU for my new build rig? This is my specs:

CPU: Intel i5-4590
Mobo: Asrock Z97 Extreme4
GPU: Sapphire R9 270 2GB DDR 265bit OC w/Boost
RAM: Corsair Vengeance 8GB(2x4GB) PC1600
HDD: Western Digital Caviar Blue 1TB
ODD: DVD-RWx24
PCIe Wireless Adapter
Chasis: Zalman Z3 Plus (will add 2/3 chasis fan)