SiI 4726 - 5 Drive SATA300 Provides 3Gb/s SATA performance over the single host SATA link 5 device SATA links, and can be configured for internal or external (eSATA) applications and supports hardware RAID 0, 1, 10 as well as multi-partition RAID modes.

Compliant with SATA II external specification OS support: Windows 2000, XP, 2003, Vista, Mac OS X and above, Linux kernel 2.4 and above, Solaris 10 and higher

5X1 eSATA Hardware Port Multiplier - Connects up to 5 SATA / SATA II hard drives to any computer via a standard eSATA port or USB 2.0 port* (optional USB 2.0 Adapter Required). Once the RAID configuration is set up, the entire RAID set can be moved to any computer (since this is a TRUE Hardware RAID)...