Direct SFF8643 to SFF8643 connection for server array card and hard drive backplane; Supports stable 12Gbps highspeed transmission for SAS/SATA HDDs, SSDs and RAID systems; Highquality copper wire ensures low signal loss and longterm stable operation; 1meter length for flexible internal routing in rackmount servers and NAS enclosures; Plugandplay design, widely compatible with mainstream server motherboards and storage backplanes