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Upgrading non-upgradable RAM inside a mid-2009 MacBook Air to a specification that Apple never sold. This little guy is now perfectly happy running in 4GB 1067MHz DDR3 RAM instead of a measly
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Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 RAM for Mac Book (Mid 2010 13-inch), Mac Book Pro (Mid 2010 13-inch), iMac (Late 2009 27-inch), Mac Mini (Mid 2010)
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