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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

MacBook Pro memory upgrade

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Member Since: Jan 17, 2012
Posts: 2
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I have a late 2011 MacBook Pro 13.3 in. with 4 GB RAM. I want to upgrade to 8 GB, and all the websites I have looked at to buy the upgrade seem to send it with 2 x 4 GB chips, so I am wondering if I can buy 1 more 4 GB chip and just put that in and have 8 GB or if the system doesn't work that way, and even though there are 2 4 GB chips they are somehow connected, so you have to buy it as an 8 GB upgrade?
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Member Since: Oct 13, 2011
Posts: 266
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Mac Specs: 2011 13" 10.8 (latest)

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Get two 4gb pieces.
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Member Since: Nov 14, 2011
Location: New Brunswick, Canada
Posts: 19
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Mac Specs: 13" Late 2011 MBP 8GB RAM 640GB HDD

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Adding a single 4GB module would have give you a total of 6GB rather than 8 because they come with 2 2GB modules in them.

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Member Since: Jan 17, 2012
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Oh, I see! Great thanks a lot!
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Member Since: Aug 30, 2009
Location: Anchorage, AK
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Mac Specs: 15" MacBook Pro (Late-2011), 2.4 GHz Core i7, 8GB RAM, 750GB HDD

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Most modern computers run either dual channel or triple channel RAM, so you would want to install matched sticks of RAM either 2 or 3 at a time based on the specific system. The Macbook Pros are using dual channel RAM, so getting an 8GB kit (2 x 4GB) would be better than mixing a 2GB and 4GB stick.

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