Dahua Technology WizSense NVR5432-EI2. Video input channels: 32 channels, Maximum resolution: 7680 x 4320 pixels, Audio formats supported: G.711 A-law, G.711 μ-law, G.726, PCM. Maximum storage capacity: 26 TB, HDD interface: SATA. Ethernet LAN data rates: 10,100,1000 Mbit/s, Supported network protocols: HTTP, HTTPS, TCP/IP, IPv4, IPv6, RTSP, UDP, NTP, DHCP, DNS, SMTP, UPnP, FTP, DDNS, SNMP, P2P,.... Rack capacity: 1.5U, Product color: Black. Power consumption (typical): 13 W, AC input voltage: 100 - 240 V, AC input frequency: 50/60 Hz