This is my spec :
i5 3570k
Asrock z77 Extreme3
Corsair Vengance 8GB CML8GX3M2A1600C9
MSI GTX 660 TF/OC
1TB Caviar Blue
Case Elite 431
My PSU is just 550w Corsair, i want buy the 650W but they're out of stock.
From what i read, 550w is almost sufficient for that spec, but what i want to know...