Sapphire ATI Radeon X1550 256MB 128-Bit GDDR2 VGA/DVI/TV Out PCIe x16 Video Card Sapphire ATI Radeon X1550 Video Card Memory Type: 256MB 128-Bit GDDR2 3D API: DirectX 9, OpenGL 2.0 Ports: VGA, DVI, TV Out Interface: PCI Express x16