. Serial Attached SCSI (SAS) provides a superior storage solution. With some storage requirements escalating & others becoming more complex factors such as flexibility performance increased reliability greater density security scalability & accessibility are more critical than ever. Today's organizations consist of different kinds of environments. Enterprise data centers must be online almost 24X7 fulfill requests from numerous users simultaneously & allow for constant growth & expansion while in operation. Other customer environments require high capacity storage & high data availability.