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I installed a 512GB M4 on a friend's MBP (2009).
Bee running all week without issues and super fast.
 
Here's my M4 in the MBP 2011.

Screenshot2011-07-09at53755PM.png


I will be selling this drive because the Momentus XT is good enough for my light usage pattern.

I'm in the Netherlands, 319 euros ex. shipping. Details: http://forum.notebookreview.com/com...ucial-m4-256gb-ssd-barely-used-319-euros.html
 
The C300 seems to work in the 11" and 13" MacBooks but has serious issues with the 15" and especially the 17". I tried everything to get it working in my 17" including swapping out the cable and insulating it, and could never get it to work. I finally broke down and bought a Vertex III and it works great. I would definitely stay away from the C300 for the newer MacBook Pros
 
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