64GB / 32GB / 16GB / 8GB Modules

2933MHz RDIMM Memory

  • Mac Pro supports up to 12 DIMMs installed in configurations of 4, 6, 8, or 12 DIMMs.
  • Works with Apple and OWC 32GB, 16GB, and 8GB modules and OWC 64GB RDIMM.
  • Backed by an OWC Limited Lifetime Warranty.
OWC Memory

NOTE: Mac Pro can use either RDIMM or LRDIMM, but they cannot be combined.
Configurations of 5, 7, 9, 10, and 11 DIMMs are not supported. Other configurations of 1, 2, and 3 DIMMs are for diagnostic use only.


128GB Modules

2933MHz LRDIMM Memory

  • Mac Pro supports up to 12 DIMMs installed in configurations of 4, 6, 8, or 12 DIMMs.
  • Works with Apple and OWC 128GB modules.
  • Backed by an OWC Limited Lifetime Warranty.
OWC Memory

NOTE: Mac Pro can use either RDIMM or LRDIMM, but they cannot be combined. Additionally, LRDIMM modules must all be of the same size.
Configurations of 5, 7, 9, 10, and 11 DIMMs are not supported. Other configurations of 1, 2, and 3 DIMMs are for diagnostic use only.


32GB / 16GB / 8GB Modules

2666MHz RDIMM Memory for 8-Core Mac Pro

  • Mac Pro supports up to 12 DIMMs installed in configurations of 4, 6, 8, or 12 DIMMs.
  • Works with Apple and OWC 32GB, 16GB, and 8GB modules.
  • Backed by an OWC Limited Lifetime Warranty.
OWC Memory

NOTE: Mac Pro can use either RDIMM or LRDIMM, but they cannot be combined.
Configurations of 5, 7, 9, 10, and 11 DIMMs are not supported. Other configurations of 1, 2, and 3 DIMMs are for diagnostic use only.

Install Videos

Our step-by-step installation videos guide you through upgrading your Mac, iPhone, iPad or iPod.

View all Install Videos »

OWC Accelsior 4M2

Work faster than ever with over 6,000MB/s real world speed!With over 6,000MB/s speed for large format video editing, VR/AR/MR environments, extreme gaming, and other high bandwidth needs, Accelsior 4M2 takes Mac Pro performance to new levels. Available in capacities up to 32.0TB.

Learn More »

OWC Accelsior 4M2

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