Axis S3016. Video input channels: 16 channels, Audio formats supported: AAC, Video formats supported: AVC, H.264, H.265, HEVC, MPEG4. HDD capacity: 4 TB, Maximum storage capacity: 16 TB, Total installed storage capacity: 16 TB. Networking standards: IEEE 802.3at, Supported network protocols: IPv4, IPv6 USGv6, ICMPv4/ICMPv6, HTTP, HTTPS , HTTP/2, TLS , SFTP, SMTP, mDNS (Bonjour), UPnP ,.... Rack capacity: 1U, Brand compatibility: Axis, Product color: Black. Power consumption (max): 41 W, Power consumption (typical): 34 W, AC input voltage: 100-240 V