EVGA GeForce GTX780 SuperClocked 3GB GDDR5 384bit, Dual-Link DVI-I, DVI-D, HDMI,DP, SLI Ready Graphics Card (03G-P4-2783-KR) Microsoft DirectX 12 API (feature level 11_0) Support Base Clock: 941 MHz Boost Clock: 993 MHz Memory Clock: 6008 MHz Effective CUDA Cores: 2304 3072MB GDDR5 384bit Memory NVIDIA TXAA, NVIDIA GPU Boost 2.0, NVIDIA PhysX, NVIDIA FXAA, NVIDIA Adaptive Verticle Sync, NVIDIA Surround, NVIDIA 3D Vision Ready, NVIDIA 3-Way SLI Ready, NVIDIA CUDA Technologies PCI express 3.0