Iomega NAS 400r Series - 1.0 TB. Hard drive capacity: 1000 GB, RAID levels: 1, RAID 0, Hard drive interface: IDE/ATA. Memory type: ECC DDR RAM, Internal memory: 1024 MB. Processor family: Intel Pentium 4, Processor model: Pentium 4, Processor clock speed: 3000 MHz. Data link protocols: Ethernet, Fast Ethernet, Gigabit Ethernet. Bundled software: Iomega Automatic Backup Pro v 3.1 (unlimited client licenses) CA eTrust 7.1 Antivirus f Windows