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MacBook with Crucial SSD - Disappointed in results

J

JackP

macrumors member
Original poster
Jun 3, 2009
60
5
Just installed a Crucial M4 256GB SSD in my Mac unibody (Mid 2011) MB running Mountain Lion and am not seeing the performance increase I had expected. I bench marked it with BlackMagic (Writes 202/Reads 267). I also bench marked a friends 2012 Macbook with OEM SSD and his was getting R/W in the 400 range.

I dont expect that my year older computer with slower subsystems would get the same readings, but I had hoped to be closer then 50%

I tried it both with TRIM enabled and disabled (as per http://tinyurl.com/3vedv5o ). Ultimately leaving TRIM enabled since there was not hit on speed and hopefully it will be easier on the drive.

I did a lot of googeling on drive alignment but really couldnt find a definitive answer.

Is there anything I can do to increase SSD performance & efficiency, or are the readings I am getting reasonable for that computer with a M4?



Thanks
 
Confirm SATA bus?

I tried to look up a mid-2011 MacBook (none exist on Everymac).

What model do you have specifically? Might be a SATA 3GB version, which would confirm your speeds.



JackP said:
Just installed a Crucial M4 256GB SSD in my Mac unibody (Mid 2011) MB running Mountain Lion and am not seeing the performance increase I had expected. I bench marked it with BlackMagic (Writes 202/Reads 267). I also bench marked a friends 2012 Macbook with OEM SSD and his was getting R/W in the 400 range.

I dont expect that my year older computer with slower subsystems would get the same readings, but I had hoped to be closer then 50%

I tried it both with TRIM enabled and disabled (as per http://tinyurl.com/3vedv5o ). Ultimately leaving TRIM enabled since there was not hit on speed and hopefully it will be easier on the drive.

I did a lot of googeling on drive alignment but really couldnt find a definitive answer.

Is there anything I can do to increase SSD performance & efficiency, or are the readings I am getting reasonable for that computer with a M4?



Thanks
Click to expand...
 
It look`s like you have a SATA 3 (3Gb/s). I have a Mac mini from 2009 that has SATA 3 (3Gb/s) and the same SSD. Results from Black Magic 205 write 267 read.
 
JackP said:
Just installed a Crucial M4 256GB SSD in my Mac unibody (Mid 2011) MB running Mountain Lion and am not seeing the performance increase I had expected. I bench marked it with BlackMagic (Writes 202/Reads 267). I also bench marked a friends 2012 Macbook with OEM SSD and his was getting R/W in the 400 range.

I dont expect that my year older computer with slower subsystems would get the same readings, but I had hoped to be closer then 50%

I tried it both with TRIM enabled and disabled (as per http://tinyurl.com/3vedv5o ). Ultimately leaving TRIM enabled since there was not hit on speed and hopefully it will be easier on the drive.

I did a lot of googeling on drive alignment but really couldnt find a definitive answer.

Is there anything I can do to increase SSD performance & efficiency, or are the readings I am getting reasonable for that computer with a M4?



Thanks
Click to expand...

If possible, try to install an intel ssd and see the performace. It might be linked with the hard drive. The other day I installed a new hard drive and was slow. I installed another new hard drive and the speed was fine. It's very rear but it's possible.
Thanks.
 
Last edited by a moderator:
kaktus said:
It look`s like you have a SATA 3 (3Gb/s). I have a Mac mini from 2009 that has SATA 3 (3Gb/s) and the same SSD. Results from Black Magic 205 write 267 read.
Click to expand...

its sata 2 that has 3Gb/s not sata 3 that has 6Gb/s.

The speeds you have posted are typical Sata 2 speeds.

Unless you have a sata 3 connections on the mobo thats the best your going to get.

You wont notice much difference appart from benchmarks though as it will still be super fast.
 
We once had to RMA a Crucial drive with poor results - Similar to standard drive.

Changed for an OCZ and much better.
 
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