LED IndicatorsStatus, LAN, USB, HDD 1-6 Hard Disk Drive6 x 3.5”or 2.5”SATA 6Gb/s, SATA 3Gb/s hard drive or SSD NOTE: 1. The system is shipped without HDD. 2. For the HDD compatibility list, please visit Compatibility list Personalized desktop Smart toolbar and dashboard for system status Smart fan control Dynamic DNS (DDNS) SNMP (v2 & v3) Resource monitor Network recycle bin for file deletion via CIFS/SMB, AFP and File Station Automatic cleanup File type filter Comprehensive logs (events & connection) Syslog client/server Mobile app: Qmanager for remote system monitoring & managementYes TCP/IP: IPv4 & IPv6** Gigabit NICs with jumbo frame (failover, multi-IP settings, port trunking/NIC teaming ) Service Binding based on Network Interfaces Proxy client, proxy server DHCP client, DHCP server NTP server Protocols: CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC UPnP & Bonjour Discovery USB Wi-Fi Adapter SupportYes