Codec: HD-SDI
Camera Input s: Up-to 8 HD-SDI cameras
Monitor Outputs:  HDMI&VGA
Compression Format: H.264
Operation OS: Linux Embedded
Recording Frame Rate (HD Mode): 4-ch:120fps @ 1080P    8-ch:240fps @ 1080P 240fps @ 720P 480fps @ 720P
Recording Frame Rate (D1 Mode): 4-ch:240fps @ D1       8-ch: 480fps @ D1
Playback Frame Rate (HD Mode):  60fps @ 1080P  120fps @ 720P
Playback Frame Rate (D1 Mode):  300fps@D1
Live View Frame (HD mode): 4-ch:120fps @ 1080P    8-ch:240fps @ 1080P  240fps @ 720P 480fps @ 720P
Audio Format:  G.711u
Bandwidth for Bits Rate:  32 Kbps-10 Mbps
Video Stream:  4 or 8 streams
Alarm I/O:   4 inputs /1 output(optional)
Interface:   USB
Storage Capacity and Extend:  4TB*2/0
Mobile Surveillance Support: Support
Network Port: 1;10M / 100M / 1000M self-adaptive Ethernet interface
Network Protocol:  TCP/IP, PPPoE, DHCP, DNS, DDNS, NTP, SADP, SMTP, SNMP, NFS, iSCSI, UPnP?
OSD Function: Time/channel/6 network OSD
Optional: ? Alarm I/O