ZOTAC nVidia GeForce GT520 1GB DDR3 VGA/DVI/HDMI Low Profile PCI-Express Video Card ZT-50601-10L Chipset: GeForce GT520 Engine Clock: 810 MHz Video Memory: 1GB DDR3 Memory Clock: 1.6 GHz Memory Interface: 64-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processor: 48 Max. Resolution: 2560 x 1600 Connectors: VGA; DVI; HDMI Thermal: Fansink Support Microsoft Windows 7/Vista/XP Support nVidia Unified Architecture Support nVidia PhysX Technology Support nVidia CUDA Technology Support PureVideo HD ready HDMI 1.4a withaudio (8-channel LPCM & bitstream) Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 11 and OpenGL 4.1 System Requirements: 300-watt power supply recommended Low Profile design