DVR Cards - Use your existing Computer as a Digital Video Recorder! 
AVerDiGi NV7480 16 Channel capture card NV7480

Key Features Advanced Alarm Management Supports all major brands of IP camera Supports wide screen resolution up to 1920x1200 Support high resolution MegaPixel up to 5M IP PTZ camera and Analog PTZ camera support Supports USB update for DVR system or IP camera support upgrade Comprehensive remote access integration Up to 10 seconds pre-alarm recording Video and Audio Feature Video Format: NTSC and PAL Support 352x240/350x288, 720x240/720x288, and 720x480/720x576 (NTSC & PAL) resolution Compression format: Hardware MPEG4 Display Digital zoom in for specific area Auto Gain Control (AGC) balance image quality Night view ability *It’s suggested to install NV7480 in 1024x768 resolution system to get best live video quality Recording H/W MPEG4 Compression Two types of de-interlace method: optimized for static scene or dynamic scene Recording modes: continuous/smart/motion/audio/alarm/manual (All modes can be triggered by schedule) Alarm triggered recording can last without time limit Intelligent shield protects privacy Auto recycling when storage disk is full Search & Playback & Backup Real time playback: immediate access playback Powerful search: by date, time, camera, area, event, vision, and log file Bookmark: easily save links to particular locations of recorded data and play them directly from the saved links Complete playback control: playback, backward playback, fast forward/backward playback, forward/backward frame-by-frame playback Digital zoom in for specific area Advanced Event log Viewer according to your selection on event, operation, and network events Export single frame to BMP file and print out Output “AVI” file for video clip Remote Backup: automatically backup important data every hour or manually backup remotely Quick backup to backup recent recording swiftly Auto backup when insert external storage device Direct burn to CD/DVD-RW when backup Remote Monitoring Simultaneous multiple remote LIVE surveillance via standard web browsers Center Management System: connect up to 1000 DVRs PDAViewer / JavaViewer / iPhoneViewer/ SmartViewer for mobile device monitoring Remote monitoring / recording / playback / IO Control Remote PTZ control Remote setup Remote Emap UPNP