21.5" iMac with Retina 4K & Non-Retina Display (2017) memory upgrades

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 two available memory slots.
  • Install in pairs for best performance.
  • Backed by an OWC Limited Lifetime Warranty.
Memory Kit Buying Options2400MHz DDR4 PC3-19200 — Maximum 64GB supported
16GB (8GB x 2)7,990Buy Now
32GB (16GB x 2)13,990Buy Now

64GB (32GB x 2)

Compatible with iMac18,2 only
30,990Buy Now

OWC Memory Upgrades For 21.5″ iMac with Retina 4K & Non-Retina Display (2017)


64GB
Up to 64GB memory
2x
Up to 2x more memory vs. factory options

Works with the following Model IDs

  • iMac18,1
  • iMac18,2
  • Rigorously in-house lab tested
  • Easy DIY install videos
  • OWC MaxRAM Certification
  • Lifetime advanced replacement warranty

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