The iMac "M1" 8-Core CPU/8-Core GPU/4 USB-C Ports (2021) model is powered by a 5-nm 3.2 GHz Apple M1 processor, which includes 8 cores (4 performance, 4 efficiency), an 8-core GPU, and a 16-core Neural Engine. It comes with 8 GB of onboard RAM and either a 256 GB or 512 GB onboard SSD, neither of which are upgradable after the initial purchase.
This system is housed in a very thin aluminum case with flat edges, featuring a 23.5" 4480x2520, 218 PPI, LED-backlit, "True Tone" widescreen "Retina 4.5K" display on a slim aluminum stand. This model was available in six two-tone color schemes—blue, green (pictured), pink, yellow, orange, and purple—plus a classic silver. It also integrates a 1080p FaceTime HD camera, a "studio-quality three-mic array," and a "high-fidelity six-speaker system" with Spatial Audio and Dolby Atmos support.
Connectivity includes two Thunderbolt/USB 4 ports, two USB 3 ports (all with USB-C connectors), a 3.5 mm headphone jack on the left edge, Wi-Fi 6 (802.11ax), and Bluetooth 5.0. Gigabit Ethernet is included by default via a port on the power brick.
Compared to its predecessor, the "2021 M1" iMac represents a complete overhaul, with a new external design and a fully different internal architecture that eliminates any possibility of internal upgrades.
By default, this iMac shipped with a color-matched wireless "Magic Keyboard with Touch ID" (without a numeric keypad) and a wireless "Magic Mouse". For an extra US$30 at purchase, the keyboard could be upgraded to a "Magic Keyboard with Touch ID and Numeric Keypad". The mouse could also be swapped for a "Magic Trackpad" (US$50) or both could be included (US$129).