Galaxy GeForce GTX 680 2048MB GDDR5 PCIE Features NVIDIA GPU Boost, NVIDIA Adaptive Vertical Sync, NVIDIA Surround, Support for four concurrent displays including: -Two dual-link DVI, HDMI, Displayport 1.2, Microsoft DirectX 11 with DirectCompute 5.0 support, NVIDIA PhysX technology, NVIDIA 3D Vision Ready, NVIDIA SLI Ready, NVIDIA CUDA technology, PCI Express 3.0 support, OpenGL 4.1 support, OpenCL support. Specs: Base Clock: 1006MHz, Boost Clock: 1058MHz, Shader Clock: 2012MHz, CUDA Processors: 1536, Memory Clock: 3004Mhz (Effective 6008Mhz), Memory Type: GDDR5, Memory Amount 2048MB, Memory Interface 256-bit, Memory Bandwidth 192.3GB/sec