The HP SAS License Key for the HP Dynamic Smart Array B320i Controller enables the controller to attach to SAS drives. HP 6 Gb/s SAS hard drives provide the level of performance needed for hosting high volume transaction based applications. The SAS interface is designed for high availability, enterprise-class data storage where performance, reliability and data integrity are crucial.Achieve the availability, reliability, and data integrity of enterprise-class SAS storage. Use high performance HP 6 Gb/s SAS hard drives. Host high volume transaction based applications.