Blackjack P-RACK NVRs powered by DW Spectrum IPVMS, 20 terabyte, 4 camera licenses pre-installed, 360 Mbps of recording throughput. Standard features include Intel i5 Processor and 16GB Memory, Linux OS on an SSD HDD, scheduled auto reboot for hardware performance, cross platform connectivity for Windows and Mac client software, 2x NIC cards, VGA, DVI and true HD output, OnVIF conformant, Keyboard and mouse included, 5 Year Limited Warranty