My setup is:
MotherBoard: Asus p8H61
RAM : 2x 4GB Corsair CMV4GX3M1A1333C9
CPU : Intel Core i3-2100
GPU : GTX 960
PSU : Antec VP630f (630W)
2x HD SATA 3 7600 RPM
Windows 10 64 bit Professional
I've bought my PSU and my GPU one week ago and starting having issues while gaming, even on less gpu...