Internalexternal conversion cable bridges external SFF8088 port and internal SFF8643 Mini SAS HD port for flexible storage expansion; Supports stable 6Gbps highspeed data transfer, compatible with SAS 2.0 and legacy enterprise storage hardware; Constructed with premium 28AWG highconductivity copper wire, minimizing signal loss and crosstalk; Black flatstyle connector saves installation space and improves internal cable management in compact servers; 0.5 m short length enables neat shortdistance routing between external storage enclosures and internal server backplanes