iMac 27-inch

Display

Retina 5K display

27-inch (diagonal) Retina 5K display
5120‑by‑2880 resolution with support for one billion colors
500 nits brightness
Wide color (P3)
True Tone technology
Configurable with nano-texture glass

Processor

3.1GHz

3.1GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.5GHz

3.3GHz

3.3GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.8GHz

Configurable to 3.6GHz 10-core 10th-generation Intel Core i9, Turbo Boost up to 5.0GHz

3.8GHz

3.8GHz 8‑core 10th-generation Intel Core i7, Turbo Boost up to 5.0GHz

Configurable to 3.6GHz 10-core 10th-generation Intel Core i9, Turbo Boost up to 5.0GHz

Memory

8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessible

Configurable to 16GB, 32GB, 64GB, or 128GB

8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessible

Configurable to 16GB, 32GB, 64GB, or 128GB

8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessible

Configurable to 16GB, 32GB, 64GB, or 128GB

Storage

512GB SSD

Configurable to 1TB or 2TB SSD

512GB SSD

Configurable to 1TB, 2TB, 4TB, or 8TB SSD

Graphics

Radeon Pro 5300 with 4GB of GDDR6 memory

Radeon Pro 5300 with 4GB of GDDR6 memory

Radeon Pro 5500 XT with 8GB of GDDR6 memory

Configurable to Radeon Pro 5700 with 8GB of GDDR6 memory

Configurable to Radeon Pro 5700 XT with 16GB of GDDR6 memory

Video Support

1080p FaceTime HD camera
Simultaneously supports full native resolution on the built-in display at 1 billion colors and:

One 6016-by-3384 (6K) external display at 60Hz with support for 1 billion colors, or

Two 6016-by-3384 (6K) external displays at 60Hz with support for 1 billion colors (requires Radeon Pro 5700 or Radeon Pro 5700 XT), or

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)

Communications

Wi-Fi
802.11ac Wi-Fi wireless networking
IEEE 802.11a/b/g/n compatible
Bluetooth
Bluetooth 5.0 wireless technology
Ethernet
10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Configurable to 10Gb Ethernet (Nbase-T Ethernet with support for 1Gb, 2.5Gb, 5Gb, and 10Gb Ethernet using RJ-45 connector)

Size and Weight

Height: 20.3 inches (51.6 cm)

Width: 25.6 inches (65.0 cm)

Stand depth: 8 inches (20.3 cm)

Weight: 19.7 pounds (8.92 kg)2

Input

Magic Keyboard

Magic Mouse 2

Configurable with Magic Keyboard with Numeric Keypad

Configurable with Magic Trackpad 2

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 16,400 feet (5000 meters)

Operating System

macOS

macOS is the operating system that powers every Mac. macOS Catalina gives you more of everything you love about Mac. So you can take everything you do above and beyond.

Accessibility

Accessibility features help people with disabilities get the most out of their new MacBook Pro. With built-in support for vision, hearing, mobility, and learning, you can create and do amazing things.

Learn more

Features include:

  • Voice Control
  • VoiceOver
  • Zoom
  • Increase Contrast
  • Reduce Motion
  • Siri and Dictation
  • Switch Control
  • Closed Captions
  • Text to Speech

Built-in Apps

  • iPhoto
  • Siri
  • News
  • Contacts
  • TV
  • iMovie
  • Safari
  • Stocks
  • Reminders
  • Books
  • GarageBand
  • Mail
  • Home
  • Photos Booth
  • App Store
  • Page
  • FaceTime
  • Voice Memos
  • Preview
  • Time Machine
  • Numbers
  • Messages
  • Notes
  • Music
  • Find My
  • Keynote
  • Maps
  • Calendar
  • Podcasts
  • QuickTime Player

What’s in the Box

iMac with Retina 5K display

Magic Keyboard

Magic Mouse 2

Power cord

Lightning to USB Cable

Polishing cloth

Configure to Order

Configure your iMac with these options.

Looking for an iMac you can mount on a wall or an adjustable arm?

27-inch iMac with Retina 5K display

3.1GHz

Magic Trackpad 2

Magic Keyboard with Numeric Keypad

16GB, 32GB, 64GB, or 128GB memory upgrade

Nano-texture glass

10Gb Ethernet

27-inch iMac with Retina 5K display

3.3GHz

Magic Trackpad 2

Magic Keyboard with Numeric Keypad

3.6GHz 10-core Intel Core i9 upgrade

16GB, 32GB, 64GB, or 128GB memory upgrade

1TB or 2TB SSD

Nano-texture glass

10Gb Ethernet

27-inch iMac with Retina 5K display

3.8GHz

Magic Trackpad 2

Magic Keyboard with Numeric Keypad

3.6GHz 10-core Intel Core i9 upgrade

16GB, 32GB, 64GB, or 128GB memory upgrade

1TB, 2TB, 4TB, or 8TB SSD

Radeon Pro 5700 with 8GB of GDDR6 memory

Radeon Pro 5700 XT with 16GB of GDDR6 memory

Nano-texture glass

10Gb Ethernet