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64.0GB Apple Memory Upgrade Kit

Used | OWC Tested

4 x 16GB PC21300 2666MHz DDR4 RDIMM for Mac Pro (2019) 8-Core models

Memory Image
Product Specs:
  • Form Factor: RDIMM
  • Type of Memory: DDR4
  • PC Speed: PC21300
  • RoHS Compliant: Yes
  • Data Rate: 2666MT/s
  • I/O Clock Speed: 1333MHz
  • Bandwidth: 21.3GB/s
  • Error Correction: ECC
  • Registration: Registered
  • Timing: CAS = 19.0
    19-19-19-14.25
  • Cycle Time: 0.75 ns
  • Voltage: 1.2 Volts
  • Pin Count: 288-pin
  • Chip Architecture: 2048M x 72
  • Printed Circuit Board Type: Low noise 8-layer PCB
  • Ambient Temperature: Operating: 32°F to 185°F (0°C to 85°C)
  • Warranty Safe Upgrade.
  • Why do I need more RAM?
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 32GB, 16GB, and 8GB modules and OWC 64GB RDIMM. Cannot be combined with LRDIMM.

This Apple 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
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

  • (4) 16GB PC21300 2666MHz DDR4 RDIMM memory modules
Apple Memory 64.0GB 4 x 16GB PC21300 2666MHz DDR4 RDIMM Memory Upgrade Kit Mfr P/N: 2666R1M64 OWC SKU: APL26R16GX4M64 For Mac Pro (2019) 8-Core models 1 Year OWC Limited Warranty Ships: Same Day
Supply Limited: 3 available
Only $900.00Garage Sale Price $299.75
Add to CartOther World Computing 2666R1M64 In Stock, Click to Buy Now