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Late 2009 - iMac11,1

Compatible upgrade for:
27inch 2.66Ghz and 2.8Ghz - MB953LL/A, MC507LL/A  
Standard RAM:   4 GB      
Maximum RAM:  32 GB*  
RAM Slots: 4  
Details:    By default, 4 GB of RAM was installed as two 2 GB SO-DIMM modules. Two slots free.  

*Officially, this model supports a maximum of 16 GB of RAM. However, this model can support up to 32 GB of RAM if it is running Mac OS X 10.6.3 "Snow Leopard" or higher in 64-bit mode and has been updated to use the latest EFI version. It is limited to 16 GB of RAM in 32-bit mode.


 The following items are also compatible with this product...............................

Internal Hard Drives




External Hard Drives