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A-Tech for Apple 16GB Kit (4X 4GB) DDR3 1067MHz / 1066MHz PC3 8500 Mac Pro (Early 2009 Mid 2010 Mid 2012) MacPro4,1 Memory RAM at Amazon.com
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Apple Mac Pro A1289 MacPro4,1 (Early 2009/Nehalem) Eight Core Intel Xeon 2x: E5520 @ 2.26GHz / 10GB Hynix & Micron DDR3 Ram / 500GB Western Digital WD5000AAKX HDD / OS X Mountain
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