I put a SATA III SSD into my laptop without issue (my laptop is 3+ years
old and only supports SATA II).  The only difference you should  see is a
performance cap.  SATA II tops out at 3 gigabit while the drive I bought is
capable of much more.  I was still able to get 250 megabytes per second  of
writes on my laptop with this drive.

There is also more to the performance than the SATA controller and drive so
do not just assume the drive is faulty if you are not getting the
performance you might expect.

For a really good SSD breakdown I highly recommend the following link:
http://www.pcper.com/ssd

On Wed, May 23, 2012 at 5:31 PM, Jamie Furtner <[email protected]> wrote:

>  SATA III is backwards compatible with SATA and SATA 2 and is physically
> compatible with older cables and plugs. You won't get as good performance
> out of it as is possible with a SATA 3 controller of course - bandwidth of
> SATA1 is 150 MByte/s, 2 is 300 MByte/s and 3 is 600 MByte/s. From what I've
> been able to find out, your controller supports SATA2 so you'll see
> transfers at up to 300 MByte/s.
>
> In general, it will work fine with the controller.
>
> Jamie
>
>
> On 2012-05-23 11:38 AM, Richard Carter wrote:
>
> Hi Folks,
>
>  I am planning to add a 128GB SSD to my desktop PC which has a
> SB700/SB800 SATA controller [AHCI mode]. Then I'll install ubuntu 12.04 on
> the SSD.   The folks at ubuntu said that "any SSD will be fine".  But I
> note that SSDs for sale at Memory Express are designated as "SATA III" so
> I'm concerned that there may be a mismatch between an SSD which is SATA III
> and my controller.  I would appreciate any advice.
>
>  Robin
>
>
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