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ATi Radeon HD 4870 512MB GDDR5 PCIe 2.0 Graphics Card
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Product Specifications
| Features | ATI CrossFireX Ready |
| API Supported | OpenGL 2.1, DirectX |
| DirectX Support | DirectX 10.1 |
| Graphics Processor | ATi Radeon HD 4870 Graphics Processor |
| Core Clock Speed | 750MHz Core Clock Speed |
| RAMDAC Clock Speed | Dual 400MHz 30-bit RAMDACs |
| Video Memory Installed | 512MB GDDR5 Video Memory |
| Video Memory Clock Speed | 1800MHz Clock, 3600MHz Effective |
| Video Memory Bus | 256-Bit |
| Video Memory Bandwidth | 115.2GB per second |
| Stream Processors | 800 Stream Processors |
| 2D / 3D Features | TeraScale Graphics Engine; Microsoft DirectX 10 Shader Model 4.1 Support; Unified Superscalar Shader Architecture (Up to 160 texture fetches per clock cycle; Up to 128 textures per pixel; 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 (up to 128:1); Lossless color compression (up to 8:1); Up to 8 render targets (MRTs) with anti-aliasing); Dynamic Geometry Acceleration; Multi-Sample Anti-Aliasing (2, 4, or 8 samples per pixel); Anti-Aliasing Features (Up to 24x Custom Filter Anti-Aliasing (CFAA); Gamma correct; Enhanced Anti-Aliasing & Anisotropic Filtering); Texture Filtering Features (2x/4x/8x/16x high quality adaptive anisotropic filtering modes; 128-bit floating point HDR texture 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); ATi Avivo HD Video and Display Platform |
| Video Input/Output | Xilleon TV Encoder (HDTV, S-Video, Composite) |
| Audio Playback | 5.1 Channel Surround Sound (through HDMI adapter) |
| HDCP Support | Dual-Link HDCP Capable (2560x1600) |
| Video Acceleration | MPEG-2, MPEG-4, DivX, WMV9, VC-1, H.264 |
| Ports and Connectors | (2) Dual-Link DVI Connectors; (1) Video Out Port (S-Video, Composite, HDTV) |
| Additional Ports and Connectors | (2) 6-pin PCI-E Power Connectors |
| Supported Windows Operating Systems | Microsoft Windows 2000, XP, Vista |
| Interface Type | PCI Express 2.0 x16 Interface |
| Power Supply Requirements | 500 Watt Power Supply (600 Watt for CrossFire Mode) |
| Peripheral Devices | DVD-ROM/CD-ROM Drive |
| Software Included | Drivers & Utilities |
| Cables Included | (1) DVI to VGA Adapter; (1) DVI to HDMI Adapter; (1) CrossFire Bridge Interconnect; (1) Component HDTV Connection |
| Manufacturer Warranty | 1 Year Limited Warranty |
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