The Adaptec RAID 1220SA card is a two-port, PCI Express x1 controller featuring Adaptec HostRAID - an integrated RAID technology that maximizes system performance and uptime. The Adaptec 1220SA supports up to two 3Gb/s Serial ATA drives, Native Command Queuing, and offers RAID levels 0, 1, 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 1220SA supports Windows 2000, Windows Server 2003, Windows XP, RedHat Linux, SuSE Linux, and NetWare.