Jaton nVidia GeForce 8400GS 512 MB DDR2 DVI/VGA/HDTV Low Profile PCI-Express Video Card VIDEO-PX8400GS-EXI NVIDIA unified architecture GigaThread technology NVIDIA SLI technology NVIDIA Lumenex engine 16x anti-aliasing technology Chipset: GeForce 8400GS Video Memory: 512MB DDR2 Memory Interface: 64-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Max. Resolution: 2048 x 1536 @ 85Hz Connectors: DVI, VGA, HDTV Thermal: Fansink Support Microsoft Windows 7/ Vista/ XP Support nVidia nView Multi-Display Technology Support Microsoft DirectX 10 Requires at least 400 Watt power supply Low Profile Design