What are specs for the rest of your system (including the make/model of your power supply)? Also, are you overclocking anything (CPU, GPU, or memory)?
8GB Corsair Vengeance
MSI Z77A-G45 Z77
h60 Cpu Cooler
128 Crucial M4 SSD + 1tb Samsung F4 + 250GB Hitatchi Deskstar
OCZ Technology 550W ZT Series Fully-Modular Power Supply
Corsair 600t SE Case (Using Stock Fan Setup)
No over clocks apart from default OC with the GPU which is how the model comes