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Newbie
Posts: 3
Registered: ‎07-19-2015

just 150MB/s write in Blackmagic Disk Speed :(

I've bought Your (new) SSD. I've got Macbook Pro mid-2012.

 

I've did 'clean' install Mac OSX Yosemite (latest system) - installed program Blackmagic Disk Speed test to check SSD speed - read is ok (about 500MB/s) but write speed is slow (about 150MB/s) which is far away from 500MB/s.

 

Thing is - I've installed Windows 8.1 on my Macbook - and everything is ok - got about 500MB/s  read and write.

 

What is wrong with latest Mac OSX Yosemite? Especially even if I did "fresh" install system.

SanDisk Professor
Posts: 544
Registered: ‎12-10-2014

Re: just 150MB/s write in Blackmagic Disk Speed :(

Hello,

 

the speeds you are getting seem to be line SATA 1 so you have to ensure that the hardware of the mac is compatible with the drive and is of course sata 3. also the trim function of the ssd is deactivated on a mac from default so maybe that was the issue with the mac?

 

 

Good Luck

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