Wide Compatbility 2.5" SSD drive 3.5" HDD drive Optical DVD drive RAID controller host card SATA III At Up To 6 Gbps The latest SATA Revision 3.0 allows for data transfer speeds of up to 6 Gbps, backwards compatible with SATA I and SATA II. Please be kindly noted that it's just a Data transfer cable which could support 6Gbps, while the actual speed is limited by the rating of your attached equipment. Feature-Filled Cable 7-Pin SATA L Type key receptacle Stainless steel clip Easy-grip surface User-Friend Design SATA I, II, III compatible Low-profile cable jacket Easier routing in a computer Easy to Use Plug in and Play, no any software installation required.