ATI HD 3450 256MB DDR2 PCI-E Low Profile / Half Height PCB with VGA Cable Retail Direct X 10.1 Graphics Card NO BRACKET KIT SUPPLIED Play the Vista™way! Play the Vista™way!Ignite your imagination with the technology that makes distant worlds erupt with vibrant textures rendered in High-Definition clarity a reality. The SAPPHIRE HD3450 is Microsoft VISTA™ compatible with awesome power of 40 stream processing units, accelerates next generation DirectX® 10 games while remaining best in its price vs. performance class. Support for the latest Shader Model 4 boost the level of realism provided by the HD3450 to new heights and the available on board memory of 256MB or 512MB of DDR/GDDR ensures a smooth frame rate in all of today's hot titles and applications. Enhance the way you play not the amount you pay. 256MB DDR2 64-bit memory interface Core/Memory Clock – 600 / 500 Low Profiile PCB with VGA cable Passive thermal solution PCI Express® 2.0 x16 bus support DirectX® 10.1 / Shader Model 4.1 support ATI CrossFireX™ multi-GPU support Unified Video Decoder (UVD) for Blu-ray™ and HD DVD at full HD 1080p HDMI with 5.1 surround sound audio (Important Information for Windows XP & Windows Vista users) SAPPHIRE HD 3450 256MB DDR2 PCI-E Low Profile PCB with VGA Cable 181 million transistors on 55nm fabrication process PCI Express 2.0 x16 bus interface 64-bit DDR2/GDDR3 memory interface 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 40 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 16 texture fetches per clock cycle Up to 128 textures per pixel Fully associative vertex/texture cache design DXTC and 3Dc+ texture compression High resolution texture support (up to 8192 x 8192) Fully associative texture & Z/stencil cache designs Early Z test, Re-Z, Z Range optimization, and Fast Z Clear Lossless Z & stencil compression 8 render targets (MRTs) with anti-aliasing support Physics processing support Dynamic Geometry Acceleration 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 or 4 samples per pixel) 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 Texture filtering features 2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel) 128-bit floating point HDR texture filtering Bicubic filtering sRGB filtering (gamma/degamma) Percentage Closer Filtering (PCF) Depth & stencil texture (DST) format support Shared exponent HDR (RGBE 9:9:9:5) texture format support OpenGL 2.0 support ATI Avivo™ HD Video and Display Platform Dedicated unified video decoder (UVD) for H.264/AVC and VC-1 video formats High definition (HD) playback of both Blu-ray and HD DVD formats Hardware MPEG-1, MPEG-2, and DivX video decode acceleration Motion compensation and IDCT ATI Avivo Video Post Processor Color space conversion Chroma subsampling format conversion Horizontal and vertical scaling Gamma correction Advanced vector adaptive per-pixel de-interlacing De-blocking and noise reduction filtering Detail enhancement Inverse telecine (2:2 and 3:2 pull-down correction) Bad edit correction Two independent display controllers Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display Full 30-bit display processing Programmable piecewise linear gamma correction, color correction, and color space conversion Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays High quality pre- and post-scaling engines, with underscan support for all display outputs Content-adaptive de-flicker filtering for interlaced displays Fast, glitch-free mode switching Hardware cursor Two integrated DVI display outputs Primary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)1 Secondary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI only)1 Each includes HDCP encoder with on-chip