MSI N780 TF 3GD5/OC (GeForce GTX 780 GAMING) Nvidia GeForce GTX 780 3072MB GDDR5 384bit PCI Express x16 3.0 CUDA cores 2304 Units GPU Clock: 954MHz Core (Boost Clock:1006MHz) (OC mode) - Memory Clock: 1502 MHz-6008 MHz - Twin Frozr IV Best Heatsink Extra Fan - HDMI interface / Dual DVI interface / DisplayPort - DirectX 11.1 - support for NVIDIA SLI technology support PhysX physics acceleration technology to support energy-efficient technologies -Support HDC