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That is Serial ATA. The ATA stands for Advanced Technology Attachment. The standard was called ATA until there were serial ATA drives, then the old way became known as PATA or Parallel ATA. The problem with the old ATA standard was that with the 40 pins, it was difficult to go faster than 133 MB/S. Keeping the same instruction and data format, but converting to a serial data standard allowed the data rate to be safely increased to 150 MB/s. Now the 3rd generation of SATA allows a data rate up to 600 MB/S.

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10y ago

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