The GTX Titan Z is a brand new high performance graphics card with dual NVIDIA® Ge Force® graphics processing units (GPUs) & GPU Tweak for real-time graphics tuning. Additional features like 12GB GDDR5 memory & NVIDIA GPU Boost 2.0 provides users with the visual performance required for today's cutting-edge games. ** Specifications** - Graphics Engine: NVIDIA® Ge Force® GTX TITAN Z - Bus Standard: PCI Express® 3.0 - Open GL: Open GL® 4.4 - Video Memory: 12GB GDDR5 - GPU Boost Clock: 876 MHz - GPU Base Clock: 705 MHz - CUDA Cores: 5760 - Memory Clock: 7000 MHz - Memory Interface: 768 bit - Output: 1 x Native DVI-I, 1 x Native DVI-D, 1 x Native HDMI, 1 x Native Display Port 1.2