Free Shipping available on most orders $49.00 & up.

Get Details. »
Product Specs:
Professional Installation Required!
The iMac Pro DOES NOT feature a memory door on the back allowing for easy upgrades. Upgrading the iMac Pro's memory requires dismantling the computer to gain access to the memory slots. This is a highly complex process that requires a skilled technician.
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 memory kit and included memory is for Apple iMac Pro Models only. Memory provided in this kit is special config for the iMac Pro ONLY and is NOT compatible with Apple iMac Models. Included memory also compatible with PC desktops or servers which use DDR4 2666 registered modules.


  • (4) 32GB 2666MHZ DDR4 RDIMM PC4-21300
  • (1) 27" iMac Adhesive tape set for proper display resealing
This OWC Memory is compatible with... Learn how to find your Mac's model ID or PC specs
iMac Intel
iMac Pro
(27-inch Late 2017)
(December 2017)
Model ID: iMacPro1,1
3.2GHz 8-core, 3.0GHz 10-core, 2.3GHz 14-core, 2.5GHz 18-core
Install Videos coming soon
OWC Memory 128.0GB 4 x 32GB PC4-21300 DDR4 Kit Mfr P/N: DID2627DS128 OWC SKU: OWCDID2627DS128 OWC Memory Upgrade Kit Lifetime OWC Limited Warranty Ships: Same Day Only $1,649.00Bundle Priced for $999.00
Add to CartOther World Computing DID2627DS128 In Stock, Click to Buy Now
Additional Capacities & Kits: 2400MHz DDR4 RDIMM
  • 128GB (2x64)
    • Ships: Same Day
    • Only $1,299.00
    • Bundle Priced for $1,299.00
  • 128GB (2x64)
    • Ships: Same Day
    • Only $1,408.98
    • OWC Price $1,179.00
  • 256GB (4x64)
    • Ships: Same Day
    • Only $2,768.96
    • Bundle Priced for $2,279.00
  • 64GB (4x16)
    • Ships: Same Day
    • Only $849.00
    • Bundle Priced for $679.00
  • 128GB (4x32)