The ATI TV Wonder⿢ HD 600PCI Express® high-definition PVR offers a feature⿿rich set of media abilities, transforming your PC into the ultimate entertainment system. Attach an amplified high definition antenna or your TV cable and you can watch, pause or record analog and digital live HDTV on your PC or convert your recorded TV shows to take with you on your Portable Media Player. This hybrid PCI tuner will delight a home theater enthusiast looking for great value in a multimedia PC TV tuner. The single hybrid tuner offers tuning for: Over-the-air Digital TV/HDTV (ATSC) & Over-the-air/Cable Analog TV (NTSC). ATI Theater⿢ Video Processing Technology features: Software MPEG-2 Encoder, Automatic Color Control, Automatic Gain Control. ATI Catalyst Media Center⿢ featuring: Full PVR and time shifting functionality, DVD Playback Software, DVD Authoring Software, ATI Theater⿢ Video Converter Software. Also includes AMD LIVE!⿢ CD featuring AMD LIVE! On Demand. Uses Hi-Speed USB2.0 Connection Bus. Input Connectors: F-Type Coax input for Analog TV (NTSC)/Digital or HDTV (ATSC or Clear-QAM), S-Video, Stereo audio input, Composite video input. System Requirements: 512MB of system memory (1GB recommended for Microsoft Vista®, Sound Card and Speakers, High-Speed USB port, DirectX® 9 or better graphics card, Cable TV signal or amplified antenna for NTSC TV signals, Installation software requires CD-ROM drive, DVD Authoring requires DVD burner, DVD decoder is included with ATI Catalyst Media Center⿢. Memory Requirements: For Windows® XP: 256MB required 512MB recommended for better performance; For Windows Vista® 5152MB Required,, 1BG or more recommended for better performance.