Check the listing for details. For Dell SFF-8644 to SFF-8644 External HD Mini SAS Cable 1M USA Ship. Color: Black, Condition: New. Listed at 19.99 USD. Description: Mini SAS High Density SFF-8644 to 8644 HD Server External Hard Drive Data Cable 1m Feature: - Meets signal bandwidth requirements from 6Gb/s to 12Gb/s or the corresponding SAS 2.1 and proposed SAS 3.0 industry standard signal specifications- Mini-SAS HD products are fully compliant with SFF-8643 (internal application) and SFF-8644 (external application) industry specifications- Contains IC chip, data storage security against loss, preventing server loss of data after sudden power failure- Differential impedance 100&85 ohm internal Mini SAS HD- 28AWG silver plated conductor for stable transmission and faster data transfer- Standard 12GB/s transfer rate for fast transfer- External MINI SAS HD EMI radiation suppression design- Provides interconnection of 2x SAS ports- Plug and PlaySpecifications:Colour: BlackType: Mini sas extension cableWire material: silver plated pure copperInterface type: SATA/ATATransmission speed: 6-12GB/sProcess: injection moldingLength: 1m/3.3ftScope: server / storage device / Adapter / SAS port adapter, etc.Notes:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement. Included:1 X Mini SAS Extension Cable