Rackmount 4U recorder with 8 IP licenses (128 max), dual Gb NIC, HDMI, DVI-I, DisplayPort (2 max. simultaneous), RS-232/485 serial port, 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.