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New Mac Pro?

Consult with Lloyd today—


System configuration for CPU, GPU, memory, SSD, backup, RAID, optimizing performance, workflow.
For YOUR optimal workflow

Avoid costly mistakes in throwing money at the problem for less performance and/or buying the wrong machine for your own needs!

Buyer's Guide: Memory for Mac Pro

Last updated 2009-11-04 - Send Feedback
Related: how-to, Mac Pro, memory, Photoshop

Be sure to see Optimizing Photoshop for other insights on high-performance systems. Equipment specifically recommended for high performance with Photoshop is covered on the Optimizing Photoshop — Conclusions page.

Recommended memory for Mac Pro

Mac Pro users can do no better than OWC’s “Apple Qualified” memory. I pounded this memory for several weeks for all the Optimizing Photoshop testing on the Mac Pro.

As of July 2010, I have nine of the OWC 8GB modules in my two Mac Pro Nehalems, and I’ver never observed even a single ECC error. See Testing Memory for Reliability.

It turns out that the 8GB modules work fine in the new Mac Pro Westmere (August 2010).

Each generation Mac Pro has its own kind of memory; the memory selector at OWC walks you through this.

  • For 8-core Mac pro, get 12GB as 6 X 2GB or 24GB as 6 X 4GB or 48GB as 6 X 8GB.
  • For the 4-core Mac Pro, get 12GB as 3 X 4GB or 12GB as 3 X 8GB.
    OWC 8GB and 4GB memory modules

Older Macs

The pre-Nehalem model uses FB-DIMMS, with large heat sinks:

The OWC 4GB “Apple Qualified” FB-DIMMS for the 2007-2008 Mac Pro
Save Big $$$$ on Memory for 2019 Mac Pro

Up to 65% better pricing than Apple

Lloyd recommends 32GB RDIMMS for most users.



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