XFX Pine Group HD4650 1.0 GB DDR2 PCI-E Graphics Card Loaded with the latest features, the ATI RadeonTMHD 4600 Series graphics cards deliver a level of gaming performance previously only found in high-end graphicscards. Redefine the way you play HD games and enjoy unprecedented levels of graphics realism powered by 320 stream processing units, up to 1GB of memory and support for Microsoft DirectX10.1 games. Upgrade your graphics card and watch Blu-ray moviesand play HD content with incredible visual fidelity1or take your experience to another level with new multimedia capabilities. Do it all with break-through energy efficiency that doesn"t compromise performance. Features: * DirectX 10.1 & PCI Express 2.0 support * 320 stream processing units, 128-bit memory interface * 24x custom filter anti-aliasing (CFAA) and high performance anisotropic filtering * Dual mode ATI CrossFireX multi-GPU support for highly scalable performance * Dynamic geometry acceleration & Game physics processing capability * ATI Avivo HD video and display technology * Unified Video Decoder 2 (UVD 2) for Blu-rayTMand HD Video * Accelerated Video Transcoding (AVT) * Dynamic power management with ATI PowerPlay technology * DVD Upscaling, Dynamic Contrast, Built-in HDMI with 7.1 surround sound support Specifications: I/O Output: VGA+DL-DVI-I+HDTV Core Clock: 600 MHz & 320 Stream Processors Memory Clock: 500MHz, 1000 Mbps. PCI Express 2.0 x16 bus interface 512MB /128bit DDR2 memory interface Single Slot Active Cooler HDMI compliant via dongle 7.1 Audio Channel Support Microsoft DirectX 10.1 support Shader Model 4.1 support