Key Features Enclosure Type Plug- in card Package Type Retail Manufacturer Warranty 1 Year Video Memory Installed 512 MB Video Memory Type DDR4 Video Input Dual DVI,HDTV-out Interface Type PCI-E 2.0 Graphics Processor ATI Radeon HD 3870 API Supported DirectX 10.1, OpenGL 2.0 Detail Specifications Features -- Superscale unified shader architecture -- PCI Express 2.0 support -- 320 Unified Stream Processors -- 256-bit memory interface -- Direct X 10.1 / Shader Model 4.1 / OpenGL 2.0 -- ATI Crossfire X Multi-GPU Support for highly scalable performance -- Up to four GPU support with an AMD 790FX based motherboard -- High-speed 128-bit-HDR (High Dynamic Range) rendering -- Up to 24x Custom Filter Anti-Aliasing -- 55nm process technology -- ATI Avivo HD Video and Display Technology -- Game Physics processing capability -- Built-in HDMI with Multi-channel 5.1 surround audio -- Support for the ATI Radeon DVI to HDMI adapter -- Unified Video Decoder (UVD) for Blu-ray and HD DVD -- ATI PowerPlay energy conserving technology -- RoHS compliant -- Build in HDCP Support -- Windows Vista 3D environment Support Specifications GPU -- ATI Radeon 3870 Bus Type -- PCI-Express x 16(PCI Express 2.0) Core Clock -- 775 MHZ Memory Size -- 512MB Memory Configuration -- 16Mx32 GDDR4 Memory Interface -- 256-Bit Memory Speed -- 1.2GHz Display Formats -- Two Dual Link DVI + HDTV-Out (HDMI Support Via Adapter) Warranty -- 1 year