No, the PSU 'may not' be ok! If it's a split +12v rail model, it may not be providing enough amps on the rail(s) going to the VGA's.
You have a Sandy Bridge CPU!![:bonk:]( "bonk")
The last PCI-E slot, E7, is 'never' going to work! This is all covered in your ...
You have a Sandy Bridge CPU!
The last PCI-E slot, E7, is 'never' going to work! This is all covered in your ...