Grafická karta PowerColor ATI HD3870 X2 1GB DDR3 PCIe 2xDVI TVout fan 2x 256b

666 million transistors on 55nm fabrication process PCI Express 2.0 x16 bus interface 256-bit GDDR3/GDDR4 memory interface Ring Bus Memory Controller Fully distributed design with 512-bit internal ring bus for memory reads and writes Microsoft® DirectX® 10.1 support Shader Model 4.1 32-bit floating point texture filtering Indexed cube map arrays Independent blend modes per render target Pixel coverage sample masking Read/write multi-sample surfaces with shaders Gather4 texture fetching Unified Superscalar Shader Architecture 320 stream processing units Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders Common instruction set and texture unit access supported for all types of shaders Dedicated branch execution units and texture address processors 128-bit floating point precision for all operations Command processor for reduced CPU overhead Shader instruction and constant caches Up to 80 texture fetches per clock cycle Up to 128 textures per pixel Fully associative multi-level texture cache design DXTC and 3Dc+ texture compression High resolution texture support (up to 8192 x 8192) Fully associative texture Z/stencil cache designs Double-sided hierarchical Z/stencil buffer Early Z test, Re-Z, Z Range optimization, and Fast Z Clear Lossless Z & stencil compression (up to 128:1) Lossless color compression (up to 8:1) 8 render targets (MRTs) with anti-aliasing support Physics processing support Dynamic Geometry Acceleration High performance vertex cache Programmable tessellation unit Accelerated geometry shader path for geometry amplification Memory read/write cache for improved stream output performance Anti-aliasing features Multi-sample anti-aliasing (2, 4, or 8 samples per pixel) Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality Adaptive super-sampling and multi-sampling Temporal anti-aliasing Gamma correct Super AA (ATI CrossFire™ configurations only) All anti-aliasing features compatible with HDR rendering Dynamic Geometry Acceleration High performance vertex cache Programmable tessellation unit Accelerated geometry shader path for geometry amplification Memory read/write cache for improved stream output performance 2x DVI