Looking for a SAS to USB adaptor

[Scott.Chandler-VQAUrahS1b5BDgjK7y7TUQ at public.gmane.org (Chandler, Scott)]

My understanding is that SAS is an extension of SATA (that statement is probably an over simplification) so SATA drives will work on SAS controllers but SAS won't necessarily work on SATA controllers like the one on your desktop motherboard.

Anyone with more knowledge on the subject, please clarify.

-----Original Message-----
From: Edward Ned Harvey [mailto:blu-Z8efaSeK1ezqlBn2x/YWAg at public.gmane.org] 
Sent: Tuesday, April 13, 2010 10:53 PM
To: Chandler, Scott; Boston Linux and Unix
Subject: RE: Looking for a SAS to USB adaptor

> From: discuss-bounces-mNDKBlG2WHs at public.gmane.org [mailto:discuss-bounces-mNDKBlG2WHs at public.gmane.org] On
> Behalf Of Chandler, Scott
> Sent: Tuesday, April 13, 2010 4:22 PM
> To: Boston Linux and Unix
> Subject: Looking for a SAS to USB adaptor
> 
> I have one of those nifty SATA/IDE to USB adaptors (see link below) but
> I can't seem to find a USB adaptor that will work on a SAS drive. Does
> anyone know if they exist?

I recently learned:  You can plug a sata2 drive into a SAS backplane.  I had
a server full of SAS drives, and I connected a SATA2 SSD to it.  Simply
compatible, end of story.

I expect the same is probably true in reverse.  I am making an educated
guess that you can connect the SAS drive to a SATA enclosure or adapter.