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64.0GB OWC Memory Upgrade Module

64GB PC21300 2666MHz DDR4 LRDIMM for Mac Pro (2019) 8-Core models
Memory Image
Product Specs:
IMPORTANT NOTES:
Mac Pro can use either RDIMM or LRDIMM, but they cannot be combined.

Mac Pro supports up to 12 DIMMs installed in configurations of 4, 6, 8, or 12 DIMMs. 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.
Memory Trade in
Save money by trading in your original chips! View available memory rebates.
From the purchase date of qualifying memory from OWC, you have 60 days to trade-in your old memory for a cash rebate!
Just fill out OWC's online rebate form or contact OWC Customer Service after you receive and install your new memory.

Note:Works with Apple and OWC 64GB LRDIMM. Cannot be combined with RDIMM.

This OWC Memory is compatible with... Learn how to find your Mac's model ID
Mac Pro
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
3.5GHz 8-Core
Install videos coming soon
Mac Pro
NOT COMPATIBLE
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
3.3GHz 12-Core
Mac Pro
NOT COMPATIBLE
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
3.2GHz 16-Core
Mac Pro
NOT COMPATIBLE
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
2.7GHz 24-Core
Mac Pro
NOT COMPATIBLE
Mac Pro Rack (Early 2020)
(January 2020)
Model ID: MacPro7,1
2.5GHz 28-Core
Mac Pro
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
3.5GHz 8-Core
Install videos coming soon
Mac Pro
NOT COMPATIBLE
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
3.3GHz 12-Core
Mac Pro
NOT COMPATIBLE
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
3.2GHz 16-Core
Mac Pro
NOT COMPATIBLE
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
2.7GHz 24-Core
Mac Pro
NOT COMPATIBLE
Mac Pro (Late 2019)
(December 2019)
Model ID: MacPro7,1
2.5GHz 28-Core

Includes

  • (1) 32GB PC21300 2666MHz DDR4 LRDIMM memory module
OWC Memory 32.0GB 32GB PC21300 2666MHz DDR4 LRDIMM memory module Mfr P/N: 2666D4LRE64G OWC SKU: OWC2666D4LRE64G For all Mac Pro (2019) 8-Core models Lifetime OWC Limited Warranty Ships: Same Day
Supply Limited: 20 available
Only $679.99OWC Price $429.99
Add to CartOther World Computing 2666D4LRE64G In Stock, Click to Buy Now