Galaxy GeForce GTX 770 GC 2GB GDDR5 PCI Express 3.0 DVI/DVI/HDMI/DP SLI Ready Graphics Card 77XPH6DV6KXZ Factory overclocked core Dual fan brushed metal cooler Quad nickel plated heat pipes Force Air Bracket for improved airflow Support for up to 4 concurrent displays NVIDIA TXAA technology NVIDIA GPU Boost 2.0 Microsoft DirectX 11.1