[High Density SAS' connector] Premium Quality Mini SAS HD connector - SFF-8643 Straight HD Mini SAS to SFF-8087 Straight HD Mini SAS Backplanes/Adapters/ Expander, to provide for 12Gbps connectivity internal to the server between the SAS/HBA controller and SAS hard drive. | [Fully 6G and 12G compliant] This SFF-8643 to SFF-8087 Mini SAS cable is compliant with SAS 2.1 and the latest SAS 3.0 spec, allowing for use of same part numbers when system speeds increase from 6Gb/s to 12Gb/s. | [Better Cable Management & Excellent Heat Dissipation] 3M Ribbon Cabling and thinner 30 AWG cable packaging, allowing more efficient routing that drastically improves fan airflow and the internal server chassis temperatures considerably, and simplifies the configuration of storage devices, to decrease mean failure rates on your equipment and ensure longer service life. | [Fine Compatibility] This internal Mini SAS HD cable is ideal for connecting controller cards to internal SAS and SATA backplanes | [Buy with Confidence] Our Mini SAS cables are thoroughly tested to ensure premium quality. Ipolex provides exclusive FREE 3-year warranty and lifetime technical service. You can contact us: we're here for you and we will reply as soon as possible. We believe in our client's satisfaction and we always do our best to help.