2-Ports SFF-8643 to SFF-8644 adapter with full PCI slot profile mounting bracketExternal 8644 to internal 8643 adapter, will work both on the host and device sideSupports external SFF-8644 host connectorsSupports internal SFF-8643 device connectorsSupports up to 12Gb/s mini SAS HD data transfer rateWith low profile and standard profile bracketThe High Density (HD) system referenced as HD Mini-SAS (SFF-8644) in the SAS 2.1 standard, meets the 12Gb/s SAS specificationThese new HD Connectors will be used on the SAS 3.0 specification when it is released. Cable material may change but the connectors will be the next generation of SAS to run at 12Gb/sPackage included:_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_1 x Adapter with Standard/Low Profile Bracket_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_Other things not included