Adaptec RAID 6805E Storage Controller 2270900-R MD2 - Low Profile Serial Attached SCSI Up to 6Gb/s PMC-sierra PM8013 dual core RAID on Chip (ROC) SAS 2.0 interfaces and PCIe host connection PCIe x1 interface Low-profile form factor smaller than MD2 allows installation in condensed system designs Enclosure Management Support Via Led Header And Ses2/Sgpio Intelligent Power Management - Reduces Power And Cooling Costs By As Much As 70% Hybrid RAID 1 and 10: SSD + HDD for maximum performance and reliability