... Dual core 3. Onvif, multi brand ipc support 4. 24TB HDD 2U Dahua NVR3816 ModelDH-NVR3804DH-NVR3808DH-NVR3816SystemMain ProcessorHigh performance Dual ... screen, Repeat, Shuffle, Backup selection, Digital zoomBackup ModeFlash drive/ USB HDD/ USB CD&DVD-RW / eSATA Device / Built-in SATA ... SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS etc)Max ...