As I stated, faster ram will work fine, although not any faster.
It is likely no more expensive and thus, in my opinion, is a good choice.
A friend of mine has a Mac Book Pro from 2008 I believe. It had
667mhz DDR2 installed from Apple however according to Apple the
memory bus wil run at 800mhz.
This means that Apple put in slower memory than the machine could
take advantage of.
So, just because your machine came with one speed of memory doesn't
mean it can't actually use faster memory.
At 03:00 AM 7/28/2011, you wrote:
Kevin
Some of your info seems a little generic here. For instance, our
MacBook Pro does not use 1333 MHZ DDR3, it uses 1067 MHZ. That
apparently was the case until quite recently. Of course, I'm not
qualified to answer as to what would happen if you use higher speed
memory than the machine is built to handle.
Also, our 2007 MacBook doesn't use DDR2, it uses DDR. But I do agree
with you that you should follow the guidelines based on what's in
there at the moment. That way you know it works.
Lynne
On 27 Jul 2011, at 23:04, Kevin Barry wrote:
Go to the Apple menu, About my Mac, go tommemory.
It will tell you exactly what you have.
You'll either have ddr2 or ddr3.
You'll need that.
If ddr2 get 800mhz which is at least as much speed as a Mac is specced for.
If DDR3 get 1333mhz.
As for how much your computer can hold, there is google.
Anything from 2010 or newer can certainly go to 8gb.
I expect a 2009 machine can do that also.
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