The RocketRAID 2722 is two external ports SAS/SATA 6Gbps RAID host adapters. Utilizing a point-to-point connectivity architecture in addition to PCI-Express 2.0 x8 lane speed maximizes performance. Doubling the performance eliminates the bottleneck from previous PCI-E generations to support today's fastest storage devices such as SAS, SSD. HighPoint RocketRAID 2722 8-port SAS RAID Controller is one of many Hard Drive & Flash Drive Accessories available through Office Depot. Made by HighPoint.