Synology DS109. Total storage capacity: 500 GB, Hard drive capacity: 500 GB, Maximum capacity: 2TB. Memory type: DDR2, Internal memory: 128 MB. Processor clock speed: 1200 MHz. Supported network protocols: IFS, AFP (3.1), FTP, NFS, Telnet/SSH, Data link protocols: CIFS/AFP/FTP/iSCSI/Telnet/SSH/NFS/SNMP. Power consumption (typical): 19 W, Power consumption (sleep mode): 9 W