QNAP TS-639 Pro Turbo NAS. Total storage capacity: 0 GB, Hard drive capacity: 0 GB, RAID levels: 0/1/5/6/JBOD. Memory type: DDR2, Internal memory: 1000 MB, Flash memory: 128 MB. Processor family: Intel, Processor clock speed: 1600 MHz. Supported network protocols: TCP/IP, Data link protocols: CIFS/SMB, AFP, NFS, FTP, HTTP, HTTPS, Telnet, SSH, iSCSI, SNMP. Security algorithms supported: K-lock