Jaton nVidia GeForce 8400GS 512 MB DDR2 VGA Low Profile PCI-Express Video Card VIDEO-PX628GS-LP1 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 x1 RAMDAC: Dual 400MHz Max. Resolution: 2048 x 1536 Connectors: Dual VGA Thermal: Fanless Support Microsoft 7/ Vista / XP Support nVidia nView Multi-Display Technology Support nVidia GigaThread Technology Support Microsoft DirectX 10 and Shader Model 4.0 Low profile design Requires at least 300 Watt power supply