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Apple 21.5" iMac 3.0GHz 6-Core Intel i5 Retina 4K Desktop Computer (2019) - MRT42LL/A

Quick Specs
  • Color : Aluminum
  • Operating Platform : Apple
  • Screen Size (inches) : 21.5
  • Processor Speed : 3.00GHz
  • System Memory (RAM) : 8GB
  • Hard Drive Size : 1TB
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  • Product Overview-

    Key Features

    • 3.0GHz 6-Core Intel Core i5 (Turbo Boost Up To 4.1GHz) Processor
    • 21.5" (4096x2304) LED Backlit Display
    • 8GB 2666MHz DDR4 Memory
    • 1TB Fusion Drive
    • Radeon Pro 560X With 4GB Of GDDR5 Memory
    • FaceTime HD Camera
    • SDXC Card Slot
    • 802.11ac
    • Bluetooth 4.2
    • macOS Mojave
    • Aluminum Finish

    Apple 21.5" iMac 3.0GHz 6-Core Intel i5 Retina 4K Desktop Computer (2019) - MRT42LL/A


    • 3.0GHz 6-core 8th-generation Intel Core i5 processor, Turbo Boost up to 4.1GHz
    • 8GB 2666MHz DDR4 memory
    • Radeon Pro 560X with 4GB of GDDR5 memory
    • 1TB Fusion Drive storage
    • Magic Mouse 2
    • Magic Keyboard - US English


    Retina 4K display

    • 21.5-inch (diagonal) Retina 4K display
    • 4096-by-2304 resolution with support for one billion colors
    • 500 nits brightness
    • Wide color (P3)


    • 3.0GHz 6-core Intel Core i5 (Turbo Boost up to 4.1GHz)


    • 8GB of 2666MHz DDR4 memory


    • 1TB Fusion Drive


    • Radeon Pro 560X with 4GB of VRAM

    Video Support and Camera

    • FaceTime HD camera
      • Simultaneously supports full native resolution on the built-in display at millions of colors (21.5-inch) or 1 billion colors (21.5-inch 4K) and
        • One 5120-by-2880 (5K) external display at 60Hz with support for 1 billion colors, or
        • Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors, or
        • Two 4096-by-2304 (4K) external displays at 60Hz with support for millions of colors
      • Thunderbolt 3 digital video output
        • Native DisplayPort output over USB-C
        • Thunderbolt 2, HDMI, DVI, and VGA output supported using adapters (sold separately)


    • Stereo speakers
    • Microphone
    • 3.5 mm headphone jack
      • Support for Apple iPhone headset with microphone

    Connections and Expansion

    • 3.5 mm headphone jack
    • SDXC card slot
    • Four USB 3 ports (compatible with USB 2)
    • Two Thunderbolt 3 (USB-C) ports with support for
      • DisplayPort
      • Thunderbolt (up to 40Gb/s)
      • USB 3.1 Gen 2 (up to 10Gb/s)
      • Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately)
    • 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
    • Kensington lock slot


    • Magic Keyboard
      Magic Keyboard comes standard with your iMac. It’s wireless and rechargeable (so you won’t be replacing batteries), with an ultracompact, edge-to-edge design that wastes no surface space. It has a stable scissor mechanism, optimized key travel, and a low profile that provide control and comfort. And it pairs immediately with your iMac right out of the box
    • Magic Keyboard with Numeric Keypad
      You get all the functionality of Magic Keyboard, with an extended layout that makes it even easier to work and play. Magic Keyboard with Numeric Keypad includes document navigation controls — page up, page down, home, and end — and full-size arrow keys that are perfect for navigating pro apps, moving through spreadsheets, and playing games
    • Magic Mouse 2
      Magic Mouse 2 comes standard with your iMac. The design of Magic Mouse 2 lets it glide smoothly across your desk. And since it supports Multi-Touch, you can use simple gestures on its surface to do things such as swipe between web pages and scroll through documents
    • Magic Trackpad 2
      If you prefer using a trackpad, Magic Trackpad 2 gives you the full range of Multi-Touch gestures and introduces Force Touch to the desktop. Sensors underneath the trackpad surface detect subtle differences in the amount of pressure you apply, bringing more functionality to your fingertips and enabling a deeper connection to your content. This design, along with a low profile, makes it extremely comfortable to use


    • Wi-Fi
      • 802.11ac Wi-Fi wireless networking
      • IEEE 802.11a/b/g/n compatible
    • Bluetooth: Bluetooth 4.2 wireless technology

    Electrical and Operating Requirements

    • Line voltage: 100–240V AC
    • Frequency: 50Hz to 60Hz, single phase
    • Operating temperature: 50° to 95° F (10° to 35° C)
    • Relative humidity: 5% to 95% noncondensing
    • Operating altitude: tested up to 10,000 feet

    Operating System

    • macOS Mojave
      macOS is the operating system that powers everything you do on a Mac. macOS Mojave brings new features inspired by its most powerful users, but designed for everyone. So you can get more out of every click


    • Accessibility features help people with disabilities get the most out of their new iMac. With built-in support for vision, hearing, physical and motor skills, and learning and literacy, you can create and do amazing things
    • Features include
      • VoiceOver
      • Zoom
      • Increase Contrast
      • Reduce Motion
      • Siri and Dictation
      • Switch Control
      • Closed Captions
      • Text to Speech

    Built-in Apps

    • Photos
    • iMovie
    • GarageBand
    • Pages
    • Numbers
    • Keynote
    • Siri
    • Safari
    • Mail
    • FaceTime
    • Messages
    • Maps
    • News
    • Stocks
    • Home
    • Voice Memos
    • Notes
    • Calendar
    • Contacts
    • Reminders
    • Photo Booth
    • Preview
    • iTunes
    • Books
    • App Store
    • Time Machine

    iMac and the Environment

    • Apple takes a complete product life cycle approach to determining our environmental impact
    • iMac is designed with the following features to reduce its environmental impact
      • Arsenic-free display glass
      • BFR-free
      • PVC-free
      • Beryllium-free
      • Mercury-free LED-backlit display
      • Recyclable aluminum enclosure
      • Speaker enclosures made with 60 percent post-consumer recycled plastic
      • Fan assembly made with 27 percent bio-based plastic
      • Meets ENERGY STAR requirements
      • Rated EPEAT Gold

    In The Box

    • 21.5-inch iMac with Retina 4K display
    • Magic Keyboard
    • Magic Mouse 2
    • Power cord
    • Lightning to USB Cable

    Approximate Dimensions:

    • Height: 17.7"
    • Width: 20.8"
    • Depth: 6.9"

    Approximate Weight:

    • Unit: 12.5 lbs
    • Shipping: 20 lbs
    California customers: Proposition 65 WARNING
  • Specifications+

  • From The Manufacturer+


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  • Abt is on their game! They operate a business that places the customer experience as the key priority. Great pricing (and willing to match competitor's pricing) and phenomenal customer service. Kudos to Abt Electronics and their team members. Great customer experience every time I reach out to them...they never disappoint.
    June 15, 2020 - CB
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