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Late 2015 - iMac17,1

Compatible upgrade for:
MK462LL/A, MK482LL/A, BTO/CTO  5K 27-inch iMac  
Standard RAM:   8 GB      
Maximum RAM:  64 GB*  
RAM Slots: None  

By default, 8 GB is installed as two 4 GB memory modules (and two slots are unoccupied).


*Officially, this model supports four 8 GB modules -- one in each slot for a maximum of 32 GB of memory. However, as first discovered by OWC, it actually will support 64 GB of memory using four 16 GB modules


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

Internal Hard Drives



External Hard Drives