Iomega NAS P400u 160GB+RAID0-1-5-5+hotsp f UNIX. Hard drive capacity: 160 GB, RAID levels: 0, 1. Internal memory: 256 MB. Processor family: Intel Celeron, Processor model: Celeron, Processor clock speed: 900 MHz. Networking features: Fast Ethernet (10/100 Base-TX). Compatible operating systems: UNIX-based OS. System management: