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2019-iMac19,1 27-inch with Retina 5K Display

Compatible upgrade for:
iMac19,1 - A2115 - EMC 3194
  iMac20,1
  iMac20,2
  How to find Model ID
  Installation videos
Standard RAM:   8GB    
Maximum RAM:  128 GB*  
RAM Slots: 4  
Details:    *By default, 8 GB of RAM is installed as two 4 GB memory modules (and two slots are unoccupied). For some curious reason, Apple only permitted this model to be configured at the time of purchase with 16 GB or 32 GB of RAM for an extra US$200 or US$600, respectively. However, as first determined by 3rd party, it actually can support up to 128 GB of RAM with four 32 GB memory modules.  
 

 

 

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

Internal Hard Drives

 

 

 

External Hard Drives