ZOTAC GeForce GTX 750 1 GB GDDR5 PCI Express 3.0 HDMI DVI DisplayPort Graphics Card ZT-70706-10M Black 512 processor cores 128-bit memory bus Engine clock (base): 1033MHz, (boost): 1111MHz Memory clock: 5000MHz 1 x DL-DVI1 x Display Port 1 x HDMI Triple simultaneous display capable HDCP compliant ED 480p HD 720p HD 1080i Full HD 1080p Quad Full HD (4K) NVIDIA GeForce driver Microsoft DirectX 11.2 (feature level 11_0) OpenGL 4.4 Microsoft Windows Vista/7/8 x86/x64NVIDIA G-Sync ready 400-watt power supply recommended 55-watt max power consumption