Thecus i4500R - CPU: Intel Xscale IOP80331, Memory: 512MB DR333 DIMM supported, UARTs: Supports of serial interface of UPS, Fast Ethernet port: For Web-based management use, MPIO Support, One Intel GbE controller with two gigabit Ethernet ports, Enclosure Monitoring, RAID level: 0,1,0+1,3,5,6,10 and JBOD, Up to 256 logical volumes in the system, Management Interface, Support Windows XP Pro/2003/Vista Mac 9.1 and above, including OSX, OSX Server, XSERVE Linux (all latest builds) which support SCSI, And all other systems supporting SCSI protocol, Redundant power supply 250W.