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stockcerts

macrumors 65816
Original poster
Jun 29, 2007
1,301
29
Pensacola, FL
Hi!

I have two 4gb memory modules installed in my Mac. Is it an option to buy a single 8gb for one of my two slots and leave one open? Based on what I saw my Mac uses 1600mhz DD3 memory. I'm hoping to find a good price on Amazon.

Thanks!!
 

Intell

macrumors P6
Jan 24, 2010
18,955
509
Inside
Yes that is an option. But for maximum speed it is recommended to have all of the same size installed.
 
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