SAPPHIRE X1600 PRO Specifications RADEON™ X1600 core (*Overclocked Version - 575MHz*) 512MB DDR2 / 256MB DDR2 / 128MB GDDR3/ (256MB GDDR3 *Overclocked Version - 1200MHz*) PCI Express x16 / AGP 4x,8x versions available CrossFire™ Support (PCI-E model only) Microsoft® DirectX® 9.0c / OpenGL 2.0 acceleration Avivo™ Technology 3D Graphics Resolution of 2560x1600 Max TV-Out Smoothvision HD + Adaptive AA Vido acceleration of :MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264