PNY GeForce 8400GS 512MB DDR2 PCI-Express 2.0 DVI+VGA+HDMI Low Profile Graphics Card VCG84512R3SXPB Chipset: GeForce 8400GS Engine Clock: 520 MHz Video Memory: 512MB DDR2 Memory Clock: 800 MHz Memory Interface: 64-bit Memory Bandwidth: 6.4 GB/s Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processor: 8 Max. Resolution: 2560 x 1600 Connectors: VGA, DVI, HDMI Thermal: Fanless Support Windows 7/Vista/XP Support nVidia Unified Architecture Support nVidia CUDA technology Support nVidia Pure Video HD technology Support Direct Compute Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 10 and OpenGL 3.1 Low Profile Design A minimum 300W or greater system power supply (with a minimum 12V current rating of 18A)