...UPnP, SNMP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE,DDNS, FTP, Alarm Server, IP Search (Support Dahua IP camera, DVR, NVS, etc.), Easy4IP
Interoperability
ONVIF 2.4, SDK, CGI
Storage
Internal HDD - 2 SATA III Ports, Up to 10 TB capacity for each HDD
eSATA - N/A
Auxiliary...