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27" iMac with Retina 5K Display (2019) memory upgrade

Actual product may differ slightly in appearance.

OWC Memory trade-in rebate

Memory trade-in rebate

Send us your old memory when you upgrade and we’ll give you a rebate!

OWC Memory

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

OWC Memory Upgrades For 27″ iMac with Retina 5K Display (2019 – Current)

Up to 128GB memory
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

Buying Options

2666MHz DDR4 PC4-21300 — Maximum 128GB supported

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