ModelBrand MSIModel RX1550-TD256EHInterfaceInterface PCI Express x16ChipsetChipset Manufacturer AMDGPU Radeon X1550Core Clock 350 MHzPixelPipelines 4MemoryEffective Memory Clock 800 MHzMemory Size Support up to 512MB (256MB onboard)Memory Interface 64-BitMemory Type GDDR23D APIDirectX DirectX 9OpenGL OpenGL 2.0PortsDVI 1 x DVITV-Out HDTV / S-Video OutDetailsRAMDAC 400MHzMax Resolution 2560 x 1600Cooler FanlessWindows Vista Certified for Windows VistaFeaturesFeatures Anti-Aliasing and Anisotropic FilteringAvivo Video and Display Engine 3DC+ Advanced Texture Compression Next-Generation HYPER Z TechnologyPackagingPackage Contents RX1550-TD256EHUser ManualDriver DiskAdditional InformationDate First Available June 19, 2007VIEW LESSexpand_lessVIEW LESSexpand_lessSupport up to 512MB (256MB onboard) 64-Bit GDDR2Core Clock 350 MHz