Galaxy GeForce GTX 780 HOF 3GB GDDR5 PCI Express 3.0 DVI/DVI/HDMI/DP SLI Ready Graphics Card, 78XNH5DV8PXV World's fastest air-cooled GTX 780 Custom 2 1/2 slot dual fan cooler Hybrid heat pipe vapor chamber cooling technology White PCB with voltage read points 8+2 phase digital power Hyper Boost hardware overdrive switch supercharges core clocks Premium POSCAP and MLCC capacitors NVIDIA GPU Boost 2.0