Serial ATA II (SATA II), the successor to SATA technology 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 SATA II technology delivers data transfer rates with 3 Gb/s while also supporting 1.5 Gb/s (SATA I). The Adaptec Serial ATA II RAID 2420SA card is a four-port controller that supports SATA or SATA II direct attached disk drives. It features the Adaptec AIC-8210 SATA RAID-on-Chip (ROC) ASIC and Adaptec RAID Code (ARC) with standard RAID 0, 1, 5 and 10 as well as an optional Advanced Data Protection Suite. With the industrys most advanced feature set, the Adaptec 2420SA provides the highest level of data protection.