Serial ATA technologytechnology brief, 2nd editionIntroduction......................................................................................................................................... 2Parallel ATA technology ....................................................................................................................... 2Serial ATA technology.......................................................................................................................... 3Low voltage differential signaling ....................................................................................................... 4Signal integrity ................................................................................................................................ 4SATA Performance ........................................................................................................................... 5SATA 1.5 Gb/s ........................................................................................................................... 5SATA 1.5 Gb/s (with extensions) ................................................................................................... 5SATA 3.0-Gb/s............................................................................................................................ 5SATA devices .................................................................................................................................. 5Cabling and connector ................................................................................................................. 6Initiators ...................................................................................................................................... 6Port multipliers ............................................................................................................................. 7Targets........................................................................................................................................ 7SATA/SAS interoperability................................................................................................................ 7SATA topologies.................................................................................................................................. 8Internal ........................................................................................................................................... 8External .......................................................................................................................................... 8Conclusion.......................................................................................................................................... 9For more information.......................................................................................................................... 10Call to action .................................................................................................................................... 10