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OWC Memory Upgrades For 27" iMac with Retina 5K Display (2019 - Current)


128GB
Up to 128GB memory
4x
Up to 4x more memory vs. factory options

Works with the following Model IDs

  • iMac19,1
  • Rigorously in-house lab tested
  • Easy DIY install videos
  • OWC MaxRAM Certification
  • Lifetime advanced replacement warranty

OWC Memory

  • This Mac has four available memory slots.
  • Install in pairs for best performance.
  • Backed by an OWC Limited Lifetime Warranty.

Install Videos

Our step-by-step installation videos guide you through upgrading your Mac, iPhone, iPad or iPod.

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27" iMac with Retina 5K Display (2019) install video

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