ZOTAC GeForce GT720 Zone Edition 2GB DVI VGA HDMI PCI-Express 2.0 Passive Cooling Graphics Card ZT-71201-20L 192 processor cores 64-bit memory bus Engine clock: 797 MHz Memory clock: 1600 MHz PCI Express 2.0 (x8 lanes) 1 x DL-DVI 1 x VGA 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 12 (feature level 11_0) OpenGL 4.4 Microsoft Windows Vista/7/8 x86/x64 300-watt power supply recommended 23-watt max power consumption