The High Density (HD) system referred to as HD Mini-SAS (SFF-8643) in the SAS 2.1 standard meets the 6Gb/s SAS specification. These new HD connectors will be used on the SAS 3.0 specification when it is released. Cable material may change, but the connectors will run the next generation of SAS at 12Gbps. There is SFF-8643 port for the following RAID cards: LSI 9207-8i, Adaptec RAID 71605, Adaptec RAID 72405, Adaptec RAID 8885Q, Adaptec RAID 8885, Adaptec RAID 8805, Adaptec RAID 8885E, Adaptec RAID 71685, Adaptec RAID 7805, Adaptec RAID 71605E, Adaptec RAID 78165, Adaptec RAID 81605ZQ. If you purchase more than 10 pieces you will receive an additional discount. Please contact us in time for further information. We try our best to ensure our customers are completely satisfied. If you have.