New 15" MBP Memory Upgrade

Started Mar 4, 2011 | Discussions thread
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Frederico70x7
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New 15" MBP Memory Upgrade
Mar 4, 2011

I’m eying on a 15” MBP with 2.2GHz i7 Thunderbolt I/O. The stock model has 4Gb RAM (2Gb x2 cards). Can I add one third-party 4Gb RAM card into one of the slots and maintaining the original factory 2Gb card on the other slot, making it a total of 6 Gb RAM? Does it have to be match pair, i.e. 2Gb x2 or 4Gb x2

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