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stockcerts

macrumors 65816
Original poster
Jun 29, 2007
1,303
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!!
 
Yes that is an option. But for maximum speed it is recommended to have all of the same size installed.
 
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