Connects external SFF-8644 (26-pin) to internal SFF-8643 (36-pin) with Mini SAS HD technology for flexible storage configurations.. Supports 12Gbps SAS 3.0 bandwidth, ideal for high-throughput RAID systems and enterprise storage arrays.. 100-Ohm impedance-matched cable ensures signal integrity in data center/server environments ( 0.5 m/ 1.6 ft optimal length).. Works with both SAS and SATA drives (backward compatible with 6Gbps SAS 2.0 /SATA III devices).. Supports drive hot-plugging for maintenance without system downtime, compliant with SFF-8643/8644 standards.