Confused by terms like SATA II , SATA Gen 2 , and SATA 3Gb/s ? You're not alone. With today's release (link in PDF format) of the PHY (physical layer) portion of the forthcoming SATA revision 3.0 specification (details here ), SATA-IO, the trade association responsible for defining Serial ATA specifications, is trying hard to stomp out the many misidentifications of SATA specifications and features over the years.
SATA revision 3.0 doubles the speed of the current 3Gb/s version, reaching transfer speeds of 6Gb/s. So, what should you call the newest member of the SATA specifications family? According to the SATA Naming Guidelines, here's what to do :
SATA-IO is also serious about cleaning up the confusion surrounding current technologies and products as well:
The SATA Naming Guidelines page includes a useful table for helping computer users, marketers, technical writers (like yours truly) and others properly describe the three generations of SATA drives and devices. With SATA Revision 3.0 expecting to be ratified by the end of the year, here's hoping this initiative will help undo the years of confusion over SATA.
Look for the SATA Label...
So, where did the term SATA II come from? SATA II was the original name of the current SATA International Organization (SATA-IO).
Illustration courtesy of SATA-IO .