MacBook Pro memory upgrade

mmeg · mmeg #1 (**permalink**)

01-17-2012, 10:19 PM

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?

microsnook · microsnook #2 (**permalink**)

01-17-2012, 10:22 PM

Get two 4gb pieces.

Scott64 · Scott64 #3 (**permalink**)

01-17-2012, 10:27 PM

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.

mmeg · mmeg #4 (**permalink**)

01-17-2012, 10:30 PM

Oh, I see! Great thanks a lot!

dmccloud · dmccloud #5 (**permalink**)

01-18-2012, 04:36 AM

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.

dmccloud #5 (permalink)
Member Since: Aug 30, 2009 Location: Anchorage, AK Posts: 143 Mac Specs: 15" MacBook Pro (Late-2011), 2.4 GHz Core i7, 8GB RAM, 750GB HDD	01-18-2012, 04:36 AM 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. ------------------------------------------------- 15" MacBook Pro (Late 2011) 2.4 GHz Core i7 \| 8GB DDR3-1333 RAM 750GB HDD \| OS X Lion 10.7.2
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mmeg #1 (permalink)
Member Since: Jan 17, 2012 Posts: 2	01-17-2012, 10:19 PM 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?
	QUOTE Thanks

microsnook #2 (permalink)
Member Since: Oct 13, 2011 Posts: 266 Mac Specs: 2011 13" 10.8 (latest)	01-17-2012, 10:22 PM Get two 4gb pieces.
	QUOTE Thanks

mmeg #4 (permalink)
Member Since: Jan 17, 2012 Posts: 2	01-17-2012, 10:30 PM Oh, I see! Great thanks a lot!
	QUOTE Thanks

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