SATA SSDs

Serial ATA (SATA) technology was introduced back in 2000 as an improvement to the existing Parallel ATA technology, which was hampered by cable size, cost, performance and functionality. Both technologies were sufficient for hard disk drives (HDDs), which were substantially less capable than today’s solid-state drives (SSDs). The advent of SATA-based SSDs demonstrated that the ATA bus had reached its performance limit. Where HDDs were only able to achieve 50-120 MB/s in write performance, SSDs could saturate the SATA bus at 550 MB/s. In spite of the bus limitation, it’s common to see an overall system performance improvement of 10-15 times when using SATA-based SSDs in place of legacy HDD technology.

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