EVGA GeForce GTX780 Superclocked 3GB GDDR5 384-Bit Dual-Link DVI-I DVI-D HDMI DP SLI Ready Graphics Card (03G-P4-2785-KR) Base Clock: 941 MHz Boost Clock: 993MHz Memory Clock: 6008MHz Effective CUDA Cores: 2304 3072MB GDDR5, 384 Bit NVIDIA TXAA, NVIDIA GPU Boost 2.0, NVIDIA PhysX, NVIDIA FXAA, NVIDIA Adaptive Vertical Sync, NVIDIA Surround, NVIDIA 3D Vision Ready, NVIDIA 3-Way SLI Ready, NVIDIA CUDA Technologies PCI Express 3.0 Microsoft DirectX 11.1 API with Direct compute 5.0 Support, OpenGL 4.3 Support, OpenCL support