ZOTAC GeForce GTX 960 2GB GDDR5 PCI Express 3.0 HDMI DVI DisplayPort SLI Ready Graphic Card ZT-90301-10M 1024 CUDA cores2GB DDR5 memory128-bit memory bus Engine clock (base): 1177Mhz, (boost): 1240MhzMemory clock: 7010Mhz 3 x Display Port 1.2 (4k at 60Hz)1 x HDMI 2.0 (4K at 60Hz)1 x Dual-link DVI (2560x1600)Quad simultaneous display capable NVIDIA GeForce driver Microsoft DirectX 12OpenGL 4.4OpenCLMicrosoft Windows XP/Vista/7/8 32/64-bit FREEZE Technology NVIDIA Dynamic Super Resolution technology NVIDIA SLI ready NVIDIA NFAA technology NVIDIA PhysX technology 400-watt power supply recommended120-watt max power consumption6-pin PCI Express power connectors Extended warranty included with every graphics card purchase. User registration required on ZOTAC website