Iomega px6-300d 18TB Server Class, StorCenter. Total storage capacity: 18000 GB, Hard drive capacity: 3000 GB, Hard drive rotational speed: 7200 RPM. Internal memory: 2048 MB. Processor family: Intel Atom, Processor clock speed: 1800 MHz. Compliance industry standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, Supported network protocols: FTP, TFTP, HTTP, HTTPS, WebDAV, DFS, SNMP, CIFS/SMB/Rally, NFS, AFP/Bonjour, Networking features: Gigabit Ethernet. Management protocols: SNMP