... DVDRW, USB, mouse, backup, burning, upgrade function.Strong Network server, support IE review and CMS(can manager over 500 ... SATA Device / Built-in SATA burner/ Network downloadNetworkEthernetRJ-45 port (10/100M/1000M)Network FunctionsHTTP, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, ... DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, ...