About the Adaptec RAID 6805E/6805E R5The Adaptec RAID 6805E/6805E R5 is a SAS RAID controller with these features:Low-profile MD2 (reduced length: 6.1 inches)Form FactorPCIe Gen2Bus compatibilityx4PCIe bus width6 Gb/s per portData transfer rate8Phys (Unified Serial Ports)128 MB DDR2Standard cache2 mini-SAS x4 (SFF-8087)Connectors, internal8 direct-attachedMaximum number of disk drivesSGPIO (Serial General Purpose Input/Output)Enclosure SupportYesOnboard speakerNoZero Maintenance Cache ProtectionModule23Proprietary and Confidential to PMC-Sierra, Inc.Document No.: CDP-00277-02-A Rev. A, Issue:Serial Attached SCSI RAID Controllers Installation and User's Guide
