RADEON™ X1600 XT, CrossFire™, 256MB GDDR3, DirectX® 9.0, Shader Model 3.0
Sapphire RADEON X1600XT 256MB DDR3, GDDR3, 256 bit, 2560 x 1600 pixels
Sapphire RADEON X1600XT 256MB DDR3. Graphics card memory type: GDDR3, Memory bus: 256 bit. Maximum resolution: 2560 x 1600 pixels. DirectX version: 9.0c, OpenGL version: 2.0