Compatible Upgrade for: MacPro6,1 - A1481 - EMC - 2630   Eight Core 3.0GHz 
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Standard Memory: 12 GB, 16 GB 1867MHz 
Maximum Memory 128 GB
Note:

12 GB of RAM originally was installed as three 4 GB modules and 16 GB of RAM is installed as four 4 GB modules. 16 GB is pre-installed in the standard configuration quietly established on April 4, 2017. One slot is free with 12 GB installed and no slots are free with 16 GB installed.
*Apple formally supports 64 GB of RAM in this model, but third-parties have determined it can support 128 GB of RAM.

The following items are also compatible with this product...............................
External Hard Drives Battery SSD Storage Cards

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