ZOTAC GeForce GTX 750 Zone Edition 1 GB GDDR5 PCI Express 3.0 HDMI DVI DisplayPort Graphics Card ZT-70707-20M 512 processor cores128-bit memory bus Engine clock (base): 1033MHz, (boost): 1111MHzMemory clock: 5000MHz DL-DVI Display Port HDMI Triple simultaneous display capable HDCP compliant ED 480pHD 720pHD 1080iFull HD 1080pQuad Full HD (4K) NVIDIA GeForce driver Microsoft DirectX 12 (feature level 11_0)OpenGL 4.4Microsoft Windows Vista/7/8 x86/x64NVIDIA G-SYNC ready 400-watt power supply recommended55-watt max power consumption