Mfr Part Number: 512-P3-1301-KR Chipset: GeForce 8400GS Engine Clock: 520 MHz Video Memory: 512MB DDR3 Memory Clock: 1200 MHz Memory Interface: 32-bit Memory Bandwidth: 9.6 GB/s Bus: PCI-Express 2.0 x16 Stream Processors: 8 RAMDAC: 400 MHz Max. Resolution: 2560 x 1600 Connectors: VGA, DVI, HDMI Thermal: Fanless Support Microsoft Windows XP/Vista/7 Support nVidia PureVideo HD Technology Support nVidia CUDA Technology Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 10 and Shader Model 4.0 Minimum of a 300 Watt power supply with a minimum of 18 amps on the +12 volt rail Low Profile Design Package: Retail