[farlow]

http://www.intel.com/Products/Deskto...s-overview.htm

Intel® Matrix Storage Technology◊3 With a second hard drive added, provides quicker access to digital photo, video and data files with RAID 0, 5, and 10, and greater data protection against a hard disk drive failure with RAID 1, 5, and 10. Support for external SATA* (eSATA) enables the full SATA interface speed outside the chassis, up to 3 Gb/s.