6Gb/s SAS has many enhancements beyond 3Gb/s SAS. It has more bandwidth per connection, greater scalability, and enhanced features. 3Gb/s SAS usage models will be preserved in 6Gb/s SAS along with the retention of 1.5 Gb/s and 3Gb/s SAS/SATA compatibility. There are many other targeted improvements beyond first generation 3Gb/s SAS, assuring enterprise storage users that SAS technology will continue to meet their needs.