PNY GeForce GT 520 1024MB GDDR3 PCI-Express 2.0 DVI+VGA+HDMI Low Profile Graphics Card VCGGT5201XPB Chipset: GT520 Engine Clock: 810 MHz Video Memory: 1GB DDR3 Memory Clock: 1794 MHz Memory Interface: 64-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processors: 48 Memory Bandwidth: 14.35 GB/sec Max. Resolution: 2560 x 1600 Connectors: VGA, DVI, HDMI Thermal: Fansink Support Microsoft Windows 7/XP/Vista Supports nVidia PhysX Technology Support nVidia CUDA Technology Support Blu-Ray 3D Support TrueHD and DTS-HD Audio Bitstreaming Support HDCP - High-bandwidth Digital Content Protection. Form Factor: Low Profile Ready Support Microsoft DirectX 11 and OpenGL 4.1 A minimum 300W or greater system power supply (with a minimum 12V current rating of 18A)