SATA revision 3 doubles the speed of the current 3GB/s version reaching transfer speeds of 6GB/s. The speed ratings of the different versions of Serial ATA are; SATA Revision 1 - 1.5GB/s SATA Revision 2 - 3GB/s SATA Revision 3 - 6GB/s The different versioSpecification 7 Pin SATA data SATA 6Gbps Round cable Locking female connectors 26/28 AWG Black 90cm