Apple

Apple MGPK3LL/A-cr 2021 iMac M1 24-Inch Blue Renewed

3.9 (50 reviews)
1080pApple M1

The renewed 2021 Apple iMac M1 delivers 4.5K Retina visuals and 8-core performance in a strikingly thin 11.5 mm all-in-one design.

$549.95*$911.96Save 39%
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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 with M1 chip redefined what an all-in-one desktop could look like, and this renewed Blue model brings that experience at a reduced price. At its core is the Apple M1 silicon with an 8-core CPU and 8-core GPU sharing 8GB of unified memory, delivering responsive performance for productivity, web browsing, photo editing, and even light video work. The 24-inch 4.5K Retina display (4480 x 2520) with P3 wide color gamut and 500 nits of brightness makes everything from spreadsheets to photo editing look vivid and sharp.

Physically, the iMac is remarkably thin at just 11.5 mm, giving it a floating-screen appearance on any desk. The built-in 1080p FaceTime HD camera benefits from the M1's image signal processor for improved low-light performance and noise reduction, while the studio-quality three-microphone array picks up clear audio for calls and recordings. Connectivity includes Wi-Fi 6, Bluetooth, and a mix of Thunderbolt/USB 4 and USB 3 ports. The 256GB SSD provides fast boot and app launch times, though users with large file collections should plan for external storage. As a renewed unit, this iMac has been tested and verified to function like new, making it a practical choice for anyone who wants Apple's all-in-one design without paying full retail price.

Key Features

Immersive 24-inch 4.5K Retina display with P3 wide color gamut and 500 nits of brightness

Apple M1 chip delivers powerful performance with 8-core CPU and 8-core GPU

Strikingly thin 11.5 mm design in vibrant colors

1080p FaceTime HD camera with M1 ISP for amazing video quality

Studio-quality three-mic array for crystal clear calls and voice recordings

Specifications

Brand
Apple
Model
MGPK3LL/A-cr (Renewed)
Display
24-inch 4.5K Retina (4480 x 2520)
Brightness
500 nits
Color Gamut
P3 Wide Color
Processor
Apple M1 (8-core CPU)
Graphics
8-core GPU
Memory
8GB Unified
Storage
256GB SSD
Camera
1080p FaceTime HD
Microphone
Studio-quality three-mic array
Wireless
Wi-Fi 6 (802.11ax), Bluetooth
Ports
Thunderbolt / USB 4, USB 3
Operating System
macOS
Color
Blue
Design Thickness
11.5 mm

Pros & Cons

👍 Pros

  • M1 chip with 8-core CPU and 8-core GPU handles everyday and creative workloads efficiently
  • Stunning 24-inch 4.5K Retina display with P3 wide color and 500 nits of brightness
  • Ultra-thin 11.5 mm profile takes up minimal desk space compared to traditional desktops
  • 1080p FaceTime HD camera with M1 image signal processor produces sharp video calls
  • Renewed pricing offers significant savings over buying new

👎 Cons

  • 8GB of unified memory cannot be upgraded and may limit heavy multitasking
  • 256GB SSD fills up quickly for users with large media libraries
  • Renewed units may have minor cosmetic blemishes not present on new models
  • Only two Thunderbolt ports on this configuration limits simultaneous peripheral connections
  • No height-adjustable stand included — only tilt adjustment is built in

Frequently Asked Questions

A renewed iMac has been inspected, tested, and restored to working condition by a qualified refurbisher. It may show minor cosmetic imperfections but is fully functional and typically comes at a lower price than a new unit.
No. The M1 iMac's 8GB of unified memory and 256GB SSD are soldered to the logic board and cannot be upgraded after manufacture.
This configuration includes two Thunderbolt / USB 4 ports and two USB 3 ports, along with a 3.5mm headphone jack.
Renewed listings vary by seller. Check the specific listing details to confirm whether a Magic Keyboard and Magic Mouse are included.
The 24-inch Retina display runs at 4480 x 2520 resolution with P3 wide color gamut support and 500 nits of brightness.