Interconnects MiniSAS HD SFF8644 and QSFP 40G SFF8436 ports for server stacking, aggregation and highspeed internal linking; Supports 12Gbps SAS 3.0 highbandwidth data transfer with 10ohm impedance matching for stable signal integrity; Constructed with 28AWG highconductivity copper wire, minimizing signal loss and crosstalk for longdistance transmission; Black servergrade shielding and durable build ideal for enterprise rackmount systems and data center stacking deployments; 1meter length provides flexible routing between servers, RAID controllers, JBOD storage units and network switches