Is a 500w psu sufficient ?

hazza931

Distinguished
Oct 6, 2011
2
0
18,510
Hello,
I'M currently looking to upgrade my PC to a AMID Phenom II X4 Quad Core 955 3.2Ghz CPU - Asus M5A78L-M USB3 HDMI Motherboard and 8GB DDR3 Memory, will a 500w psu be able to run it and have enough power left to run a gtx 550 ti in the future ??