6pcs/set Half Sleeved 6gb sata 3 cable connect to motherboards and host controllers to internal cd writer, Bitcoin computer, SAS/SATA hard drives and hdd ssd cd driver, DVD drives, Note: this cable is SATA data cable only, does not provide power for your hard drive. Drive must be powered separately Serial ata cable SAS cable Surport up to 6Gbps Data transfer rates, quickly upgrading your computer for expanded storage, backwards compatible with SATA I and SATA II hard drives. Data transfer speed is limited by rating of the attached equipment SATA 7pin Female Straight angle to SATA 7 Pin Female designe, build with 6Gbps high speed SAS thin cable for better singnal performance,nylon braided put all 4 pcs sata cables together,make for better cable management in tight space, P1 to P4 cable are labeled for easy to route for different SATA systems or for RAID configuration Support all popular SATA equipped device in market with SATA HDD, SSD,CD Writer, CD Driver. Widely Compatible with 2