QNAP TS-439 Pro II+. Total storage capacity: 0 GB, Hard drive capacity: 0 GB, RAID levels: JBOD. Internal memory: 1024 MB, Flash memory: 512 MB. Processor family: Intel Atom, Processor clock speed: 1800 MHz. Compliance industry standards: IEEE 802.3ad, Supported network protocols: TCP/IP, CIFS/SMB, AFP (3.2), NFS (v3), FTP, HTTP, HTTPS, Telnet, SSH, iSCSI, SNMP, Networking features: Gigabit Ethernet. Power requirements: 100-240V AC, 50/60Hz, Power supply: 250 W, Power consumption (typical): 33 W