Timetec 16GB KIT(4x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for iMac (Late 2009 21.5-inch / 27-inch) SODIMM Memory MAC RAM Upgrade for iMac 10,1 and iMac 11,1

Price: $36.99

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Compatible for Apple iMac – 21.5 inch / 27 inch Late 2009 – iMac10,1 iMac11,1
Model Number: A1311 A1312 – Part Number(s): MB953LL/A, MC507LL/A, MB950LL/A, MB952LL/A, BTO/CTO
Supports CPU Processors: 2.66 GHz Core i5, 2.8 GHz Core i7, 3.06 GHz Core 2 Duo, 3.33 GHz Core 2 Duo
Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States
Price: $36.99