TP-Link VIGI NVR4016H. Video input channels: 16 channels, Maximum resolution: 3840 x 2160 pixels, Number of simultaneously playbacked channels: 16 channels. Maximum storage capacity: 64 TB, HDD interface: SATA. Ethernet LAN data rates: 10,100,1000 Mbit/s, Supported network protocols: UPnP (Plug and Play), NTP (Network Timing), SMTP, DNS, TCP/IP, UDP, ICMP, HTTP, HTTPS, DHCP, RTSP,.... Product color: Black. Power consumption (max): 45 W, AC input voltage: 100 - 240 V, AC input frequency: 50/60 Hz