iMac · 2020
iMac (Retina 5K, 27-inch, 2020)
Model identifier iMac20,1, iMac20,2. Newest compatible macOS: macOS Tahoe 26.
- Model identifier
- iMac20,1, iMac20,2
- Introduced
- 2020
- Newest macOS
- macOS Tahoe 26
- Family
- iMac
Download macOS for this Mac
macOS Tahoe 26The newest macOS Apple supports on this Mac. See download options →
Older versions you can also install, if they are newer than the macOS this Mac shipped with:
- macOS Sequoia 15
- macOS Sonoma 14
- macOS Ventura 13
- macOS Monterey 12
- macOS Big Sur 11
- macOS Catalina 10.15
A Mac can't run a macOS older than the one it came with. macOS Recovery can reinstall the original version.
Part numbers
Also called order or configuration numbers. “xx” stands for a region code, such as LL (USA) or B (UK).
MXWT2xx/A MXWU2xx/A MXWV2xx/A
Questions
What is the newest macOS for the iMac (Retina 5K, 27-inch, 2020)?
Apple lists macOS Tahoe 26 as the newest compatible operating system for the iMac (Retina 5K, 27-inch, 2020).
What is the model identifier of the iMac (Retina 5K, 27-inch, 2020)?
The iMac (Retina 5K, 27-inch, 2020) uses the model identifier iMac20,1, iMac20,2. You can check yours in System Information › Hardware Overview.
Source: Apple – Identify your iMac model.