iMac 27-inch Retina 5K 2019-2020 Memory Upgrades
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Memory upgrades for the 2019 and 2020 27-inch iMac with Retina 5K display (iMac19,1, iMac20,1 and iMac20,2).
Memory for the 27-inch iMac with Retina 5K (2019 to 2020)
- Type: DDR4 2666MHz PC4-21300 non-ECC SODIMM (260-pin).
- Slots: four, behind the memory door on the back of the display.
- Options: 8GB, 16GB and 32GB modules, as singles, pairs or sets of four, from 8GB up to 128GB (4x32GB).
Listing for this Mac: DDR4 2666MHz PC4-21300 SODIMM for iMac Mid 2019 and Mid 2020.
Before you order
To confirm which Mac you have, open the Apple menu, choose About This Mac, then System Report, and read the Model Identifier line. Match it to the identifier shown on this page before you order. The identifiers are iMac19,1 (2019) and iMac20,1 and iMac20,2 (2020).
For the most predictable result, use one size of module in all the slots you fill, and install in pairs.
Studios, labs and fleets
NEMIX RAM is a US-based memory specialist, in business since 1993. Every module is researched, matched, and compatibility-tested by NEMIX RAM, is JEDEC-compliant, and is backed by a lifetime warranty. Purchase orders and volume pricing are available for studios, labs, schools and IT departments that keep a fleet of Macs in service. Request a quote, or send us your model identifier and we will confirm the right module before you order.
More Apple memory: iMac memory guide · MacBook Pro memory guide · Mac mini memory guide · Mac Pro memory guide · all Apple memory upgrades
NEMIX RAM can deliver any Configuration your Fleet Requires
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