Q-See QSNDVR16M 16 Channel MPEG-4 Pentaplex Network Digital Video Recorder (No Hard Drive) Record & Display at 120 FPS / 480 FPS Remote viewing through IE browser, or client software Loop Back Feature on 1 Channel Supports up to 4 internal hard drives for longer recording time USB 2.0 Port for CD/DVD Burner or External Hard Drive