SATA II RAID 1420SA KIT ROHS 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. 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 3Gb/s Serial ATA drives, Native Command Queuing, and offers RAID levels 0, 1, 10, and JBOD (individual drive). The Adaptec 48-bit logical block addressing (LBA) support enables use of disk drives exceeding 137 GB in capacity.