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13" MBP SATA interface downgraded to 1.5 Gigabit

I just checked my system information and the sata connection is reporting 1.5 Gigabit as the speed. I discovered this when I benchmarked my Vertex 60GB SSD and noticed that the speeds were a lot slower than before (I used to have a 15" umbp). Did apple downgrade the sata connection? This is a huge disappointment and very surprising.

13" MBP 2.2GHz, Mac OS X (10.5.7)

Posted on Jun 12, 2009 11:38 AM

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150 replies

Jun 13, 2009 12:34 AM in response to le.john.33

I have both the newest version of Macbook Pro 13", also the macbook 13" (i bought 1 after another 1 week apart)

And It is 100% true, that the new MBP is cap at 1.5g....and the old MBP is at 3g..

I have a OCZ vertext 120g.....and write/read performance really just HALFED!!!!!
This is unbelieveable.....

I have screen shots of HDtune pro for both MB and MBP...and the write/read performance just HALFED from 220 to 100......

Message was edited by: cabbitbunny

Jun 13, 2009 11:46 AM in response to le.john.33

Well,
I also just got a 13" and installed an Intel X25 drive (160gb) and then stumbled upon this thread. I've called Apple Care to get more information. Waiting to hear back.

In the meantime ran xbench on my machine so I could compare it to other machines and got a score of 198.91. The results for a base 2.53GHz, 4gb RAM, 250gb 5400 drive configuration was also out there on the xbench site and the results for that machine were 137.17. When looking at the read write speeds, with the SSD don't lose anything but on the read side the differences are very dramatic.

This does not answer the question about the limitations of SATA I vs SATA II but at least shows a dramatic increase in the score with the swap in hard drive.

I will update if I get more tech support info

Jun 13, 2009 2:03 PM in response to le.john.33

Oh boy. I just "upgraded" my unibody MacBook to a MacBook Pro 13".

And now, after searching the web for an answer to why my system slowed down this much - I find my answer here.. (well, on macrumors to be exact - but I'd like Apple to hear my voice:)

If this is a "feature" added because you want to give us more batterylife, then PLEASE give us a chance to choose. I didn't pay through the nose for my SSD to save on battery - I need the speed..

Thanks in advance!

13" MBP SATA interface downgraded to 1.5 Gigabit

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