The GTX 680 GC is built around Galaxy"s own PCB design and factory overclocked to 1110Mhz, more than 100Mhz faster than reference. The card is also equipped with a custom dual-fan cooler, solid aluminum cover, quad nickel-plated heat pipes, and LED effects for excellent cooling and a unique high-performance aesthetic. Specs: Base Clock: 1110MHz, Boost Clock: 1176MHz, 1536 CUDA Processors, Memory Clock: 3004MHz (Effective 6008MHz) ,Memory Type: GDDR5, Memory Amount 2048MB, Memory Interface 256-bit, Memory Bandwidth 192.3GB/sec Features: Factory Overclocked, Custom dual-fan cooling, Quad nickel-plated heatpipes, Special fan blade design minimizes noise, Aluminum cover with LED effects, 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