Fanout cable converts single SFF8643 4i Mini SAS HD host port to dual SFF8639 U. 2/SAS drive ports for multidrive storage expansion; Supports stable 12Gbps SAS 3.0 highbandwidth data transfer, compatible with U. 2 NVMe SSDs and enterprise SAS hard drives; Integrated SATA 15pin power supply delivers reliable power to drives, simplifying internal server wiring layout; Made of premium 32AWG pure copper wire, minimizing signal loss and crosstalk for consistent longterm performance; 0.5 m compact length enables neat shortrange routing inside 2U/4U rackmount servers and storage backplanes