PNY XLR8 GeForce GTX 580 1536MB GDDR5 PCI-Express 2.0 DVI-I+DVI-I+HDMI mini Graphics Card VCGGTX580XPB Chipset: GTX580 Engine Clock: 772 MHz Video Memory: 1536MB DDR5 Memory Clock: 4.008 GHz Memory Interface: 384-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processors: 512 Memory Bandwidth: 192.4 GB/sec Max. Resolution: 2560 x 1600 Connectors: Dual DVI, Mini HDMI Thermal: Fansink Support Microsoft Windows 7/XP/Vista Supports nVidia PhysX Technology Support nVidia CUDA Technology Support nVidia 3D Vision Surround Ready Support nVidia PureVideo HD Technology Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 11 and OpenGL 4.1