Rackmount 4U cameras with 8 IP licenses, 48 analog inputs, 4 multiplexed monitor outputs, RS-232/485 serial port, 8 alarm inputs, 1 alarm output, 48 audio inputs, dual Gb NIC, HDMI, DVI-I, DisplayPort (2 max. simultaneous),RAID 6, DVD, Win 7 64 bit or Ubuntu 14.04 linux on 60GB SSD, redundant power supplies, keyboard and mouse, exacqvision Professional client and server software pre-installed, 3 year warranty and software updates.