Hikvision DS-9664NI-I8 64-Channel 2U 4K NVRDual-OS design to ensure high reliability of system running, up to 64 channel IP cameras can be connected, 12 MP high-definition live view, 320 Mbps high incoming bandwidth ensures IP camera, TCP/IP / DHCP / hik-connect / DNS / DDNS / NTP / SADP / SMTP / NF..