Apple iMac - 21.5" Retina 4K Display, 3.1GHz Quad-core i5

21.5" iMac with 3.1GHz Quad-core Intel Core i5 CPU, 8GB Memory, 1TB (5400 rpm) Hard Drive, and Intel Iris Pro Graphics 6200 Graphics Processor
3/5 2 Write review Item ID: iMac21-4k31
Apple iMac - 21.5
Apple iMac - 21.5
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Apple iMac - 21.5" Retina 4K Display, 3.1GHz Quad-core i5
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Retina iMac. Simply Stunning.

With its eye-popping 4K Retina display, the 21.5" Apple iMac is simply stunning. And it packs beastly power - courtesy of Intel's latest-generation 3.1GHz quad-core i5 processor. The Mac is the computer of choice for many of us here at Sweetwater, and we often recommend them for professional studio applications. The Apple iMac is also the perfect computer for your personal productivity and media production with cool apps like GarageBand, iMovie, and iPhoto. It comes with an advanced graphics processor, Thunderbolt and USB 3 ports, and OS X El Capitan - the latest version of the world's most advanced desktop operating system.

Apple iMac at a Glance:
  • Powerful graphics and connectivity
  • A suite of fantastic software
  • OS X El Capitan onboard
Powerful graphics and connectivity

The Apple iMac's integrated Intel Iris Pro Graphics 6200 graphics processor provides amazing video performance for its gorgeous 21.5" Retina 4K display, delivering an incredible resolution of 4096 x 2304 - ideal for everything from pro graphics production to gaming. What's more, your new iMac comes with a complete set of high-speed connections, including USB 3 and Thunderbolt ports, allowing you to connect just about any gear out there.

A suite of fantastic software

To top it off, this iMac comes loaded with an entire suite of fantastic software, including iPhoto, iMovie, GarageBand, Pages, Keynote, Numbers, Maps, iBooks, Safari, Mail, FaceTime, Messages, Calendar, Contacts, Time Machine, iTunes, Preview, and more. Whether you're into music, video, graphics, or any other creative field, you'll be ready to hit the ground running with this fantastic computer.

OS X El Capitan onboard

Every Mac comes with OS X El Capitan, the latest release of the world's most advanced desktop operating system. It delivers hundreds of new features that make the Mac better than ever and make your Mac, iPhone, iPad, and iPod touch work even better together.

Apple iMac Features:
  • A powerful, sleek, and value-packed desktop computer
  • 21.5" Retina 4K display delivers incredible resolution of 4096 x 2304
  • An ideal choice for audio, video, and pro graphics production
  • Svelte design frees up desk space so you can keep the gear you need close at hand
  • 3.1GHz quad-core Intel Core i5 CPU (Turbo Boost up to 3.6GHz)
  • Intel Iris Pro Graphics 6200 graphics processor
  • Thunderbolt ports for connecting high-speed devices or up to 2 Thunderbolt Displays
  • USB 3 ports to connect external hard drives and transfer large files
  • FaceTime HD camera keeps you up close and personal with family and friends
  • 802.11ac Wi-Fi networking (IEEE 802.11a/b/g/n compatible)
  • SDXC card slot; headphone/optical digital output
  • Includes Apple Wireless Keyboard and Magic Mouse
  • OS X El Capitan, Apple productivity, and media production apps included
Kick your productivity into high gear with an Apple iMac!

Tech Specs

Operating System OS X El Capitan
CPU 3.1GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.6GHz)
Graphics/Video Intel Iris Pro Graphics 6200, FaceTime HD camera
Maximum Resolution 4096 x 2304
Memory - Included 8GB
Storage - Included 1TB hard drive (5400 RPM)
Thunderbolt Ports 2
USB Ports 4 x USB 3.0
Card Slots 1 x SDXC card slot
Video Ports Mini display port
Ethernet Yes, 10/100/1000 Base-T Gigabit RJ-45
WiFi Yes, 802.11ac
Bluetooth Yes, 4.0 wireless
Audio Outputs 1 x 1/8" (headphone / optical mini jack digital out)
Included Display Retina 4K 4096 x 2304 P3 display
Included Keyboard Apple Magic keyboard
Included Mouse Apple Magic mouse 2
Height 17.7"
Width 20.8"
Depth 6.9"
Weight 12.5 lbs.
Manufacturer Part Number MK452LL/A

Customer Reviews

Based on 2 reviews
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Fantastic display and processor. Works great with my new Pro Tools package. Thanks Sweetwater.


I love recording via Mac computers. But if you are running ProTools. This is not the computer for you. One track renders CPU overloads endlessly. After utilizing my own knowledge, I went to Avid, the creators of ProTools for support- and they let me know that this computer was tested and did NOT make their list of supported computers. Reason being- the Graphics Card and the Broadwell CPU in this computer do not allow the GUI to refresh fast enough. For a user friendly, every day desktop- great buy. For professional audio recording- you're going to be really embarrassed when you're in the middle of a session and it keeps crashing due to a CPU overload. Buyer Beware
See also: Apple, Apple Macintosh Desktops