tHE POWER SUPPLY is not the problem.
Thermaltake W0116 ToughPower 750W Modular EPS PSU
SLI/Cross-Fire/Dual-Core Ready
60 AMPS OUT OF THE 12V
Complies with ATX 12V 2.2 & EPS 12V version
Modularized Cable Management to eliminate clutter and improve airflow inside the case
SLI, Cross-Fire, and Dual Core CPU ready
Next generation four +12V rails(12V1, 12V2, 12V3, 12V4) supports high-end graphic card and PC system (combined loading of 60A)
Independent Voltage Circuit: offers unflappable current delivery under heavy load and makes voltage output more stable
Active Power Factor Correction (PF>0.99) and high efficiency (up to 85%)
Extremely good voltage regulation (±3%): provides steady voltage for system
Industrial grade components (capacitor, transformer, etc)
High reliability: MTBF>120,000 hours
Mirror effect housing and reliable 14cm ball-bearing fan
Protections: Over Current, Over Voltage, and Short-Circuit protection
Safety / EMI Approvals: CE, CB, TUV, FCC, UL, CUL, and BSMI certified