EVGA GeForce GTX670 FTW+ 4096MB GDDR5 256bit DVI HDMI DisplayPort 4-Way SLI Ready Graphics Card 04G-P4-3673-KR Base Clock: 1006MHz Boost Clock: 1084MHz Memory Clock: 6008MHz CUDA Cores: 1344 PCI-Express 3.0 4096MB GDDR5 256-Bit Nvidia SMX Engine, Nvidia GPU Boost, NVidia Adaptive Vertical Sync, Nvidia Surround, Support for Concurrent Displays, Nvidia PhysX, Nvidia 3D Vision Ready, Nvidia SLI Ready, Nvidia CUDA Technology