ZOTAC Zone Edition GeForce GT720 1GB DDR3 DVI VGA HDMI PCI-Express 2.0 Graphics Card ZT-71202-20L NVIDIA GT720 192 processor cores 64-bit memory bus Engine clock: 797 MHz Memory clock: 1600 MHz PCI Express 2.0 (x8 lanes) Passive Cooling 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