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Thanks for reaching out! Announces Memory Upgrades up to 64GB for New 27″ iMac has announced the availability of new OWC Memory Upgrade Kits, with up to 64GB of memory for the 2017 Apple iMac 27″ with Retina 5K display introduced at the Apple Worldwide Developers Conference (WWDC) in San Jose. OWC 2400Mhz DDR4 memory, compatible with the new iMac, is available now at and will begin shipping to customers immediately. The new iMac delivers visual effects and 3D graphics, allowing the editing of multicam projects in Final Cut Pro X, with up to five streams of 4K video. offers the memory that allows the iMac to be utilized to maximum potential.

Savings over $800 Compared to Apple Factory Upgrade
New iMac owners seeking to upgrade their RAM can select the 32GB OWC memory upgrade from and save $307.25 over factory cost. Owners can max-out their RAM with the 64GB OWC memory upgrade and save an incredible $800-plus over factory cost. For further savings, iMac with Retina 5K display owners can trade-in their factory memory modules.

Easy Upgrades for Your iMac
As with the original iMac model, a memory access panel on the rear of the newly announced iMac ejects via a simple push button located above the power input. Adding more memory is fast and simply involves installing new modules into the memory slots and reinstalling the access panel.  Mac performance experts recommend selecting the least amount of factory installed RAM when ordering any user-upgradeable iMac, taking advantage of significant cost savings by choosing OWC memory.  A wide selection of helpful FREE installation videos can be found at

Memory Upgrade Options for 2017 27″ iMac 
All OWC Memory Options include a Lifetime Advance Replacement Warranty:

  • 4GB Module – OWC2400DDR4S4GB $49.99
  • 8GB Module – OWC2400DDR4S8GB $79.99
  • 16GB Module – OWC2400DDR4S16G $164.99
  • 8GB Kit (4GB x 2 Matched Pair/Set) OWC2400DDR4S08P $77.50
    • Add to factory 8GB for 16GB Total, Save $122.50 (over 61%) vs. factory 8GB option ($200 to go from 8GB to 16GB)
  • 16GB Kit (8GB x 2 Matched Pair/Set) OWC2400DDR4S16P $147.75
    • Add to Factory 8GB for 24GB total, Get 50% More Memory + still save over $50 vs. factory 16GB option
  • 32GB Kit (8GB x 4 Matched Pair/Set) OWC2400DDR4S32S $292.75
    • Save $307.25 (over 51%) vs. factory option ($600 to go from 8GB to 32GB)
    • Keep or trade in factory 8GB for additional savings
  • 32GB Kit (16GB x 2 Matched Pair/Set) OWC2400DDR4S32P $315
    • Add to factory 8GB for 40GB total
    • Maximize memory value and capacity
  • 64GB Kit (16GB x 4 Matched Pair/Set) OWC2400DDR4S64S $599.75
    • Save over $800 (over 57%) vs. factory option ($1,400 to go from 8GB to 64GB)
    • Keep or trade in factory 8GB for additional savings

See all memory options available for all Apple iMac models in the iMac Memory Guide.

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 Power Mac, iMac, MacBook, MacBook Pro, Mac Pro Xeon, Xserve, iBook, and PowerBook computers. By maintaining an active 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.

An easy to use, point and click compatibility guide for the correct upgrades for each specific Apple model, can be found online at:

Storage Upgrade Options Extend to 8TB
Apple iMac owners can also upgrade their iMac to 8.0TB of storage with an OWC iMac drive upgrade kit, which maintain correct system fan control with the OWC in-line digital thermal sensor. OWC hard drive upgrade kits include the OWC In-line Digital Thermal Sensor, which works through the iMac’s System Management Controller to reduce fan noise and maintain proper system fan control and are currently offered for all iMac models from 2009 to current.

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