Seagate revs up SATA speed (Full Version)

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NIKDEL -> Seagate revs up SATA speed (3/10/2009 11:33:57 AM)



Seagate and AMD have demonstrated a 6Gbit/s link between SATA disks and a server, double the speed of the current SATA 2 spec and the same as the fastest SAS speed.


In August 2008 the Serial ATA International Organisation (SATA-IO) ratified a 6GBit/s physical layer - delivering about 600MB/sec. AMD and Seagate have now teamed up to demo their prototype technology at either end of a SATA cable.

The idea is to introduce the new faster SATA one to two years before it is actually needed so that products can be developed and the technology bedded down in time for use. Seagate recommends that the interface data rate keeps ahead of the media data rate and so does not throttle back the device. The company reckons that SATA 3 won't be really needed until 2011.

By that time we may be hearing about the next SAS speed jump to 12Gbit/s and SATA 4 may also be just visible on the horizon, a couple of years behind.

Seagate says the general SATA 3 specification "has been enhanced with improved power management (and) advanced data steaming". The new standard may formally be known as SATA Revision 3.0, but will probably just get shortened to SATA 3.


http://www.theregister.co.uk/2009/03/10/seagates_sata_3/





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