OWC Now Offering Up to 64 GB Memory Upgrade Kits for Select Apple iMac 21.5” Models

OWC MaxRAM Memory unlocks new performance capabilities with double the Memory vs. factory offered.

Nov 28, 2018 | Woodstock, IL


OWC®, a leading zero emissions Mac and PC technology company announced they are now offering the highest capacity memory upgrades available for the 2017 – current 21.5” iMac with Retina 4K Display & Non-Retina Display, allowing iMac owners to upgrade their technology investment with up to 64GB of memory and maximize their output with the highest performance available.

Continuing in the tradition of being first to certify and deliver DIY upgrade solutions for Mac owners, OWC is pleased to provide these high-performing memory kits to their customers making it possible to max-out upgradeable memory slots, allowing owners to boost performance levels to run more apps, work with larger files, speed up render times, and manipulate larger data sets.

Availability and Pricing

OWC Memory Kits for the 2017 – current 21.5” iMac are available for same day shipping via OWC Memory Upgrades. OWC kits provide memory capacity up to double that of factory options, and substantial per-gigabyte savings in comparison with factory-installed options for upgrading beyond factory-provided.

Complete Memory Kit Buying Options (2400MHz DDR4 PC3-19200 – Maximum 64GB supported):

*Includes memory, tools, suction cups, microfiber cloth, OWC Screen Removal Tool & adhesive strips

Memory Kit Buying Options: (2400MHz DDR4 PC3-19200 – Maximum 64GB supported):

*Includes memory, adhesive strips

After upgrading with OWC, customers can save even more with OWC’s Trade-in Rebate. Full details and models are listed at: OWC Memory Rebate. 16GB DDR4 2400 SO modules have a trade-in rate of: $180 for 32GB Kit and $360 for 64GB Kit.

OWC is THE Trusted Name in Mac Memory offers OWC memory upgrades for nearly every current and past Apple notebook and desktop computer manufactured during the past two decades, including iMac, iMac Pro, Mac mini, MacBook, MacBook Pro, and Mac Pro. The OWC 'MaxRAM' Certification Program determines the maximum amount of memory that can be installed in a Mac as validated by a series of comprehensive, in-house laboratory tests. While OWC "MaxRAM" configurations exceed Apple's officially supported maximums, all OWC brand memory upgrades are assured to perform flawlessly and are covered by a Lifetime Advance Replacement Warranty and Money Back Guarantee. By maintaining a state-of-the-art test lab, OWC ensures its memory upgrades offer the highest product quality and reliability, backing them with an OWC Lifetime Advance Replacement Program and 30-Day Money Back Guarantee.

OWC customers can use the SSD Easy Upgrade Guide to see upgrade options by Mac model for nearly every Mac from the last 15+ years and see how simple it is to supercharge Mac storage. Visit to see the complete line of upgrades, storage, used Macs and accessories.


About OWC

Other World Computing (OWC), founded in 1988, is dedicated to helping Mac and PC enthusiasts do more and reach higher. We believe in sustainability – OWC solutions are genuinely built to last, go the distance, and enable users to maximize the technology investment they have already made. OWC's operation provides leadership in business sustainability, with its headquarters among the first in the world awarded LEED Platinum certification. OWC features an award-winning technical support team and an unparalleled library of step-by-step DIY and informational videos. From the home desktop to the enterprise rack, the corporate backup to secure medical data, the recording studio to the motion picture set, and beyond, there should be no compromise. That is why OWC is here.

Follow OWC

  1. facebook
  2. instagram
  3. youtube
  4. twitter

Company Contact

Matt Burkey