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64.0GB OWC Memory Upgrade Kit

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Product Specs:
OWC Memory for Mac Pro 2013 fully meets Apple's specifications with special attention to proper thermal specifications.
Apple Mac Pro 2013 models utilizes ECC non-Registered for 4GB and 8GB per slot options and ECC Registered for 16GB (and larger) per slot options. Any existing 4GB and 8GB ECC non-Registered modules cannot be mixed with 16GB and larger ECC-Registered modules and will need to be removed in order to utilize these higher density memory upgrade options.

Special 32GB module use information: Due to processor design and memory architectures, 32GB module utilization occurs at a bus speed of 1066MHz with Apple Mac Pro 2013 E5-16XXv2 4-Core, 6-Core, and 8-Core processor equipped models, 800MHz with factory 12-Core or after-market E5-26XX equipped models. Utilization of 2 or more 32GB modules minimum is recommended and utilization of overall performance with applications and workflows able to utilize higher available memory remains exceptional.
Easy to install!
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.
This OWC Memory is compatible with... Learn how to find your Mac's model ID
Mac Pro
Mac Pro
(December, 2013)
Model ID: MacPro6,1
2.7GHz 3.0GHz, 3.5GHz, 3.7GHz


  • (2) 32.0GB PC3-10600 DDR3 ECC Registered module
  • OWC Easy Memory Install Tool 1

  1. While tools are not required for installation, this kit includes a FREE OWC Easy Memory Install Tool which makes the installing your new memory kit even easier - an OWC EXCLUSIVE!

Customer Ratings

Write a Review 4.6 / 5 3 out of 3 (100%) reviewers would recommend this product
Verified Buyer
Reviewer: mistterius Location: Vancouver, WA Age: 45-54 Experience Level: IT Professional Owned Product: 1-3 months
Rating: 5/5 Saving Money In The Long Run... July 30, 2018 I have a Mac Pro that I use for work in my home office. I run Sierra and 4 virtual machines, Windows 8, MSSQL Server 2012, Infor EAM, and Maximo EAM. The machine was stock other than a 1TB SSD that I put in right after I bought it. The machine really struggled to run OS X and 1 VM together. I replaced the factory 12GB of ram with 64GB, and WOW, what a difference. I can now run all 4 VMs simultaneously with ease. Once I throw another 64GB (machine max is 128GB) of RAM, it should really scream!! I have purchased other things from OWC and have had no issues. If anything ever happens, they stand behind their products!!

I would recommend this item to a friend! Customer Videos:

Verified Buyer
Reviewer: hiragaruben Location: Japan Age: 25-34 Experience Level: Home User Owned Product: less than a month
Rating: 5/5 Works perfectly! July 3, 2018 Couldn't be more satisfied!

I would recommend this item to a friend! Customer Videos:

Verified Buyer
Reviewer: Anonymous Age: 35-44 Experience Level: Power User Owned Product: 3-4 months
Rating: 4/5 Best third party memory for Mac Pro out there. July 3, 2016 I would definitely recommend OWC RAM modules. In fact I would recommend not buying the Apple's OEM RAM just based on value and expansion capacity. Order the least amount of default RAM possible then swap out for OWC RAM. That's what I did and I am pleased with the product and decision.

I would recommend this item to a friend!

OWC Memory 64.0GB 2 x 32.0GB PC3-10600 DDR3 Module Mfr P/N: 1333D3Z3M064 OWC SKU: OWC1333D3Z3M064 OWC ECC Registered Memory Module Lifetime OWC Limited Warranty Ships: Same Day only $429.99
Add to CartOther World Computing 1333D3Z3M064 In Stock, Click to Buy Now