Iomega px2-300d 4TB, StorCenter. Processor family: Intel Atom, Processor model: D525, Compatible processor series: Atom. Total storage capacity: 4000 GB, Hard drive capacity: 2000 GB, Hard drive rotational speed: 7200 RPM. Internal memory: 2 GB, Internal memory type: DDR3. Ethernet LAN data transfer rates: 10, 100, 1000 Mbit/s, Compliance industry standards: IEEE 802.3, IEEE 802.3u, Supported network protocols: CIFS/SMB/Rally (Microsoft), NFS (Linux/UNIX), AFP/Bonjour (Apple), FTP, SFTP, TFTP. Noise level: 33 dB