The Adaptec Serial Attached SCSI 48300 card is an eight-port controller featuring Adaptec HostRAID - an integrated RAID technology that maximizes system performance and uptime. The Adaptec 48300 supports up to eight direct attached drives and up to 128 drives using expander technology. The card offers RAID levels 0 (striping), 1 (mirroring), and JBOD (individual drive) as well as 48-bit LBA support for the use of disk drives exceeding 137GB in capacity.