NVIDIA Geforce GTX 960 4GB GDDR5 128 bits CUDA cores 1024 Core Clock Speed 1241MHz Core (Boost Clock:1304MHz)(OC Mode) 1216MHz Core (Boost Clock:1279MHz) (Gaming Mode) 1127MHz Core (Boost Clock:1178MHz) (Silent Mode) Memory Clock Speed (MHz) 7010 DVI Connectors 1 - HDMI Connectors 1 DisplayPort 3 - Maximum Displays 4 Support DirectX Version 12 - OpenGL Version 4.4 Multi-GPU Technology SLI, 2-way Card Dimension(mm) 267 x 139 x 36 Power consumption (W) 120 Recommended PSU (W) 400 Power Connectors 1x 8-pin