Fractal Design Tesla R2 500-Watt 80 PLUS Gold Certified ATX12V/EPS12V 500 Power Supply FD-PSU-TS2B-500W 80 PLUS Gold certified efficiency Single, powerful 12V rail SLI (650W and up) and CrossFireX Certified Silent, temperature-controlled 135mm fan Long-life ball-bearing fan Extra-long ATX12V cable is 700mm/27.5" long to enhance cable routing in even the largest cases