iMac (24-inch, M1, 2021)

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iMac (24-inch, M1, 2021)

The iMac (24-inch, M1, 2021) was introduced at Apple's 'Spring Loaded' event on 20 April 2021.

It is the first iMacs to feature Apple Silicon as part of the transition from x86_64-based Intel processors.
It was made available for preorder on the 30 April 2021, and for purchase in the second half of May 2021.

The are two firmware identifiers, iMac21,1 and iMac21,2.

Application Processor

This model of the iMac uses the Apple M1 SoC.



  • Silver, Pink, Blue, Green, Purple, Orange, Yellow

Size and Weight

  • Size: 18.1 inches (46.1 cm) (height) x 21.5 inches (57.4 cm) (width) x 5.8 inches (14.7 cm) (depth)
  • Weight: 2 ports: 9.83 pounds (4.46 kg), 4 ports: 9.88 pounds (4.48 kg)


  • High-fidelity six-speaker system with force-cancelling woofers
  • Wide stereo sound
  • Support for spatial audio when playing music or video with Dolby Atmos
  • Studio-quality three-mic array with high signal-to-noise ratio and directional beamforming
  • Support for “Hey Siri”


  • Simultaneously supports full native resolution on the built-in display at 1 billion colors and:
    • One external display with up to 6K resolution at 60Hz
  • Thunderbolt 3 digital video output
    • Native DisplayPort output over USB-C
    • VGA, HDMI, DVI, and Thunderbolt 2 output supported using adapters (sold separately)


  • 24-inch 4.5K Retina display
  • 4480-by-2520 resolution at 218 pixels per inch with support for 1 billion colors
  • 500 nits brightness
  • Wide color (P3)
  • True Tone technology

Memory and Storage options

  • Memory: 8GB or 16GB
  • Storage: 256GB, 512GB, 1TB or 2TB.

Connectivity and Expansion

Note: Some older standards are supported using adapters.

External links

iMac (24-inch, M1, 2021) on Apple's website
iMac (24-inch, M1, 2021) on Wikipedia