Uniview NVR301-04LS3-P4. Video input channels: 4 channels, Maximum resolution: 3840 x 2160 pixels, Video recording modes: 720p, 960p, 1080p, 2160p. Maximum storage capacity: 6 TB, HDD interface: SATA. Ethernet LAN data rates: 10,100 Mbit/s, Networking standards: IEEE 802.3af, IEEE 802.3at, Supported network protocols: TCP/IP, P2P, UPnP, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SMTP, RTSP. Product color: White, Certification: CE, FCC, UL, RoHS, WEEE. Power consumption (typical): 9 W, Power supply: 48 W, Power over Ethernet (PoE) power per port: 30 W