Apple

Apple MJV93LL/A 2021 iMac 24" - M1 - 256GB SSD - Blue

4.7 (2173 reviews)
1080p256GB SSDBluetooth 5.0

The 2021 iMac 24-inch pairs Apple's M1 chip with a stunning 4.5K Retina display in an impossibly thin, vibrant blue all-in-one design.

$793.06*
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*Price sourced from Amazon.com. Last updated:Jun 08, 2026.Price and availability are subject to change.

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Overview

The 2021 Apple iMac 24-inch (model MJV93LL/A) represents a complete redesign of Apple's consumer desktop, built from the ground up around the M1 chip. The Apple M1 features an 8-core CPU with four high-performance and four high-efficiency cores, a 7-core GPU, and a 16-core Neural Engine, all fabricated on a 5nm process. This system-on-a-chip architecture, combined with 8GB of unified memory, eliminates the traditional bottleneck of copying data between CPU and GPU memory pools, resulting in responsive performance across productivity applications, web browsing, and creative tools like photo editing and music production. The efficiency of the M1 also means the iMac runs cool and silent, with the fan rarely spinning up during normal use.

The 24-inch 4.5K Retina display delivers 4480 x 2520 resolution at 218 pixels per inch, with P3 wide color gamut support, 500 nits of brightness, and True Tone technology that adapts the white balance to ambient lighting conditions. The display is housed in an all-aluminum enclosure that measures just 11.5mm thin, finished in a vibrant blue that extends to the matching Magic Mouse and Magic Keyboard included in the box. A 1080p FaceTime HD camera benefits from the M1's image signal processor for improved white balance and noise reduction during video calls, while the three-microphone array provides directional beamforming for clearer voice pickup. The six-speaker sound system supports Spatial Audio with Dolby Atmos for an immersive listening experience. Connectivity includes two Thunderbolt / USB 4 ports, Wi-Fi 6, and Bluetooth 5.0, and the iMac runs macOS with native support for both Mac and compatible iPhone and iPad applications.

Key Features

SUPERCHARGED BY M1 — M1 delivers exceptional performance for all you do on your iMac desktop. Everyday things like flipping through photos and browsing Safari are faster, and all your hardest-working apps have access to the power they need.

FITS PERFECTLY INTO YOUR LIFE — The all-in-one desktop design is strikingly thin and available in seven vibrant colors. And iMac comes with a color-matched Magic Mouse with Magic Keyboard.

SIMPLY COMPATIBLE — All your go-to apps run lightning fast — including Microsoft 365, Adobe Creative Cloud, and Affinity Photo. You can even run many of your favorite iPhone and iPad apps directly on your iMac.

CINEMATIC DISPLAY — The 24-inch 4.5K Retina display features 500 nits of brightness and support for 1 billion colors, so everything from streaming movies to editing photos is sharp, vivid, and colorful.

CONNECT ALL YOUR ACCESSORIES — iMac features two Thunderbolt / USB 4 ports, up to two USB 3 ports, Wi-Fi 6, Bluetooth 5.0, and a headphone jack.

ADVANCED CAMERA AND AUDIO — Look sharp and sound great with a 1080p FaceTime HD camera, a studio-quality three-mic array, and a six-speaker sound system with Spatial Audio.

STORE ALL YOUR FILES — This iMac comes with 256GB and up to 1TB of fast SSD storage for all your photo and video libraries, files, and apps.

EASY TO USE — Getting set up is simple, and Apple ID makes it easy for you to switch to Mac. So you can get going, right out of the box.

WORKS WITH ALL YOUR APPLE DEVICES — You can do amazing things when you use your Apple devices together. Copy something on iPhone and paste it on iMac. Use your iMac to answer FaceTime calls or send texts with Messages. And that’s just the beginning.

LEGAL DISCLAIMERS — This is a summary of the main product features. See legal disclaimers below.

Specifications

Brand
Apple
Model
MJV93LL/A
Processor
Apple M1 (8-core CPU, 7-core GPU)
Memory
8GB Unified
Storage
256GB SSD
Display
24-inch 4.5K Retina (4480 x 2520)
Display Brightness
500 nits
Color Support
P3 Wide Color, 1 Billion Colors
Camera
1080p FaceTime HD
Audio
Six-Speaker System with Spatial Audio
Microphones
Studio-Quality Three-Mic Array
Ports
2x Thunderbolt / USB 4, Headphone Jack
Wireless
Wi-Fi 6, Bluetooth 5.0
Accessories
Color-Matched Magic Mouse, Magic Keyboard
Operating System
macOS
Color
Blue
Dimensions
21.5 x 5.8 x 18.1 inches

Apple iMac (24-inch, M1) — Editorial Review

The 24-inch M1 iMac reinvented Apple's all-in-one — an impossibly thin, colorful desktop that pairs a gorgeous 4.5K Retina display with the efficient punch of Apple Silicon.

Featured Video Review

Apple iMac 24
DetroitBORG · "Apple iMac 24" (2021): Unboxing & Review" · Watch on YouTube

4.5K Retina, M1 power, strikingly thin

DPReview and Tom's Guide note the 4.5K Retina panel is crisp and bright (~500 nits) with full P3 color and True Tone, making it well-suited to color-accurate photo and video work. The M1 chip delivers excellent everyday and creative performance in an 11.4mm-thin chassis, backed by a surprisingly good six-speaker system and a sharp 1080p webcam enhanced by the M1's image pipeline. In DetroitBORG's review — featured above — it's shown as a standout starter Mac.

Honest cons

  • Fans audible under load. Sustained heavy tasks like video exports spin the fans up.
  • Limited ports. Rear-only, hard-to-reach ports, no USB-A and no SD card slot.
  • Base accessories. The entry keyboard lacks Touch ID and a backlight.
  • Not upgradeable. RAM and storage are fixed at purchase, and the white bezel divides opinion.

Where this iMac fits

  • Home and creative users who want a beautiful color-accurate all-in-one.
  • Photo and light video editors leveraging the P3 4.5K display and M1.
  • Tidy-desk buyers who value one cable and a striking design.
  • Not port-heavy workflows, upgrade-later builders, or sustained heavy-render professionals.

Sources & Citations

  1. DPReview, "2021 Apple M1 iMac (24-inch) Review," dpreview.com (accessed 2026-05-27)
  2. Tom's Guide, "Apple iMac 2021 review (24-inch)," tomsguide.com (accessed 2026-05-27)

Last verified: 2026-05-27

Now that you've seen the details — ready to take a closer look?

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Pros & Cons

👍 Pros

  • M1 chip delivers fast, silent performance with no fan noise during everyday tasks like browsing, office work, and media consumption
  • 24-inch 4.5K Retina display with P3 wide color and 500 nits brightness produces vivid, accurate colors for photo editing and media viewing
  • Remarkably thin 11.5mm profile and vibrant blue finish make it a striking visual centerpiece on any desk
  • Six-speaker sound system with Spatial Audio delivers surprisingly rich, immersive sound from a desktop computer
  • 1080p FaceTime HD camera with the M1 image signal processor produces noticeably better video call quality than previous iMac generations

👎 Cons

  • 8GB unified memory cannot be upgraded after purchase and may feel limiting for heavy multitasking or professional creative workflows
  • 256GB SSD fills up quickly with large photo libraries, video projects, or extensive application installations and is not user-upgradeable
  • Only two Thunderbolt / USB 4 ports on this base model, which may require a hub or dock for users with multiple peripherals
  • 7-core GPU is one core fewer than the higher-tier M1 configuration, resulting in slightly reduced graphics performance
  • No height-adjustable stand included — the built-in stand only offers tilt adjustment

Frequently Asked Questions

This iMac is powered by the Apple M1 chip with an 8-core CPU and 7-core GPU, paired with 8GB of unified memory. The M1's unified memory architecture allows the CPU and GPU to share the same pool of fast memory for efficient performance.
The M1 chip uses Apple Silicon (ARM architecture), so it does not support Boot Camp for running Windows natively. However, you can run many Windows applications through virtualization software like Parallels Desktop or use compatible alternatives from the Mac App Store.
This model supports one external display with up to 6K resolution at 60Hz via the Thunderbolt / USB 4 ports, in addition to its built-in 24-inch 4.5K Retina display.
This base model (MJV93LL/A) does not include an SD card slot or built-in Ethernet port. It has two Thunderbolt / USB 4 ports and a headphone jack. Ethernet is available via the power adapter on higher-tier configurations, and USB-C adapters can add SD card reading capability.
The iMac comes with a color-matched blue Magic Mouse and Magic Keyboard, a USB-C to Lightning cable, a power cord, and a power adapter.