Hanwha HRX-434. Product colour: Black Maximum video resolution: 3840 x 2160 pixels Video compression formats: H.264 H.265 M-JPEG. Video input channels: 4 channels. Ethernet interface type: Gigabit Ethernet Supported network protocols: TCP/IP UDP/IP RTP (UDP) RTP (TCP) RTSP NTP HTTP DHCP (Server Client) PPPoE SMTP ICMP …. HDD interface: SATA SATA II SATA III Maximum HDD capacity: 6000 GB. Power supply type: AC AC input voltage: 100 – 240 V Power consumption (max): 22 W