What is the difference between SATA I, SATA II and SATA III?

Difference between SATA I, SATA II and SATA III SATA I (revision 1.x) interface, formally known as SATA 1.5Gb/s, is the first generation SATA interface running at 1.5 Gb/s. The bandwidth throughput, which is supported by the interface, is up to...
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