iMac (21.5-inch, 2.3 GHz, SSD revision, 2020) (2020)
On August 4, 2020 Apple announced this configuration revision. Orders opened that day and sales at selected stores were announced for the following week, not an individual delivery. SSDs become standard across the 21.5-inch line. It is separate from the earlier configuration in the same family.

Resized, no crop or retouching.
Original labelled schematic, not a photograph or scale drawing.
Specs
| Key feature | MHK03LL/A |
| Announcement | 2020-08-04 |
| CPU | Intel Core i5 (2-core) · 2.3 GHz |
| Display | 21.5″ · 1920 × 1080 · millions of colors |
| Standard and maximum RAM | 8 GB DDR4 · 2133 MHz · 16 GB (official maximum) |
| Disk | 256 GB SSD |
| Graphics | Intel Iris Plus Graphics 640 |
| Camera and audio | FaceTime HD · one microphone |
| Ports | 4 USB-A · 2 Thunderbolt 3 (USB-C) · SDXC |
| Wired network | Gigabit Ethernet 10/100/1000 |
| Wireless | 802.11ac Wi-Fi · Bluetooth 4.2 |
| Included input devices | Magic Keyboard · Magic Mouse 2 |
| Configuration code | MHK03LL/A |
History and documentation
On August 4, 2020 Apple announced this configuration revision. Orders opened that day and sales at selected stores were announced for the following week, not an individual delivery. SSDs become standard across the 21.5-inch line. It is separate from the earlier configuration in the same family.
Design and specifications
This standard configuration has a 2.3 GHz Intel Core i5 (2-core), 8 GB of 2133 MHz DDR4 and 256 GB SSD. Graphics are Intel Iris Plus Graphics 640. Apple lists a 16 GB memory maximum, not standard installed RAM. The storage described is standard for this configuration, not an order option.
Use and context
Includes FaceTime HD, 802.11ac Wi-Fi, Bluetooth 4.2, Gigabit Ethernet, stereo speakers and a microphone. It has four USB-A ports, two Thunderbolt 3 ports with USB-C connectors, SDXC and a 3.5 mm headphone jack. Thunderbolt 3 provides DisplayPort output; HDMI, DVI and VGA need separately sold adapters.
Notes and image
Apple’s official September 15 list identifies this configuration as MHK03LL/A, dated August 4. The non-Retina display offers 1920 × 1080 and millions of colors. Magic Keyboard and Magic Mouse 2 are included; Fusion Drive remains an option. The announcement presents Big Sur as a free fall update, not the launch system. Prices in that list are US education prices, not general retail prices.
Sources
- Apple · 2020-08-04
- Apple · 2017
- Apple · 2020-09-15
- dimensionapple.com · Original schematic illustration
- imac-21-5-2017
- imac-21-5-2017 ⇄ iMac (21.5-inch, 2.3 GHz, SSD revision, 2020)