Product description from manufacturer
Serial ATA II, the successor technology to SATA for data storage, is a point-to-point connection that delivers full throughput to each storage device by allowing multiple ports to be managed by a single controller. Adaptec Serial ATA II technology delivers data transfer rates with 3 Gb/s while still supporting 1.5 Gb/s (SATA I). The Adaptec Serial ATA II RAID 1420SA card is a four-port controller featuring Adaptec HostRAID - an integrated RAID technology that maximizes system performance and uptime. The Adaptec 1420SA supports up to four Serial ATA drives and offers RAID levels 0 (striping), 1 (mirroring), and JBOD (individual drive). The Adaptec 48-bit logical block addressing (LBA) support enables use of disk drives exceeding 137 GB in capacity. The Adaptec 1420SA supports Windows 2000, Windows Server 2003, Windows XP, RedHat Linux, SuSE Linux, and NetWare.
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