ZOTAC GeForce GT440 1GB GDDR5 PCI Express 2.0 DVI/HDMI/Displayport Graphics Card, ZT-40702-10L Chipset: GeForce GT440 Engine Clock: 810 MHz Video Memory: 1GB DDR5 Memory Clock: 3200 MHz Memory Interface: 128-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processors: 96 Max. Resolution: 2560 x 1600 Connectors: DVI; HDMI; Displayport Thermal: Fansink Support Microsoft Windows XP/ Vista/ 7 Support nVidia Unified Architecture Support nVidia PhysX Technology Support nVidia CUDA Technology Support Blu-ray 3D ready Support Dolby True HD & DTS-HD Master Audio Technology Support Microsoft DirectX 11 and OpenGL 4.1 Power requirements: 300-watt power supply recommended, 65-watt max power consumptionRoHS Compliant