What PSU do i need?

Solution
Why do you have two 750 TI cards? Are you just using them for additional monitor capability since they can't be in SLI?

This would be fine:

PCPartPicker part list / Price breakdown by merchant

Power Supply: EVGA 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($79.99 @ NCIX US)
Total: $79.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-04-18 04:15 EDT-0400


And you could probably get away with this:

PCPartPicker part list / Price breakdown by merchant

Power Supply: XFX 650W 80+ Bronze Certified ATX Power Supply ($69.99 @ Amazon)
Total: $69.99
Prices include shipping, taxes, and...
Why do you have two 750 TI cards? Are you just using them for additional monitor capability since they can't be in SLI?

This would be fine:

PCPartPicker part list / Price breakdown by merchant

Power Supply: EVGA 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($79.99 @ NCIX US)
Total: $79.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-04-18 04:15 EDT-0400


And you could probably get away with this:

PCPartPicker part list / Price breakdown by merchant

Power Supply: XFX 650W 80+ Bronze Certified ATX Power Supply ($69.99 @ Amazon)
Total: $69.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-04-18 04:17 EDT-0400
 
Solution