Iomega StorCenter Pro 450r 1TB. Processor clock speed: 1.86 GHz. Hard drive capacity: 1000 GB, Hard drive rotational speed: 7200 RPM, RAID levels: 0, 1, 5, 10. Internal memory: 1 GB, Internal memory type: DDR2. Compliance industry standards: IEEE 802.3, IEEE 802.3u, Supported network protocols: TCP/IP, IPX, NetBEUI, CIFS/SMB, NFS, AFP, HTTP 1.1, FTP, WEBDAV, Data transfer rate (max): 1000 Mbit/s. Bundled software: Iomega NAS Discovery, EMC Retrospect Express, Backup 11.5, eTrust Antivirus 7.1,, Operating system installed: Windows Storage Server 2003 R2