iMac - Technical Specifications

Display

Display

21.5-inch (diagonal) LED‑backlit display
1920‑by‑1080 resolution with support for millions of colours

Retina 4K display

21.5-inch (diagonal) Retina 4K display
4096-by-2304 resolution with support for 1 billion colours
500 nits brightness
Wide colour (P3)

Processor

2.3GHz

2.3GHz dual‑core Intel Core i5 with Turbo Boost up to 3.6GHz

3.6GHz

3.6GHz quad‑core Intel Core i3

Configurable to 3.2GHz 6‑core Intel Core i7 with Turbo Boost up to 4.6GHz

3.0GHz

3.0GHz 6-core Intel Core i5 with Turbo Boost up to 4.1GHz

Configurable to 3.2GHz 6‑core Intel Core i7 with Turbo Boost up to 4.6GHz

Price

A$1,699 RRP

A$1,999 RRP

A$2,299 RRP

Memory

8GB of 2133MHz DDR4 memory

Configurable to 16GB

8GB of 2400MHz DDR4 memory

Configurable to 16GB or 32GB

8GB of 2666MHz DDR4 memory

Configurable to 16GB or 32GB

Storage1

256GB

256GB SSD

Configurable to 1TB Fusion Drive

256GB

256GB SSD

Configurable to 1TB Fusion Drive, 512GB SSD or 1TB SSD

256GB

256GB SSD

Configurable to 1TB Fusion Drive, 512GB SSD or 1TB SSD

Graphics

Intel Iris Plus Graphics 640

Radeon Pro 555X with 2GB of GDDR5 memory

Radeon Pro 560X with 4GB of GDDR5 memory

Configurable to Radeon Pro Vega 20 with 4GB of HBM2 memory

Video Support and Camera

FaceTime HD camera

Simultaneously supports full native resolution on the built-in display in millions of colours (21.5-inch) or 1 billion colours (21.5-inch 4K) and:

One 5120‑by‑2880 (5K) external display at 60Hz with support for 1 billion colours or

Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colours or

Two 4096‑by‑2304 (4K) external displays at 60Hz with support for millions of colours

Thunderbolt 3 digital video output

Native DisplayPort output over USB‑C

Thunderbolt 2, HDMI, DVI and VGA output supported using adapters (sold separately)

Audio

Stereo speakers

Microphone

3.5-mm headphone jack

Connections and Expansion

3.5-mm headphone jack

SDXC card slot

Four USB-A ports

Two Thunderbolt 3 (USB‑C) ports with support for:

  • DisplayPort
  • Thunderbolt (up to 40 Gbps)
  • USB 3.1 Gen 2 (up to 10 Gbps)
  • Thunderbolt 2, HDMI, DVI and VGA using adapters (sold separately)

10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)

Kensington lock slot

Input

Magic Keyboard

Magic Mouse 2

Configurable with Magic Keyboard with Numeric Keypad

Configurable with Magic Trackpad 2

Wireless

Wi-Fi

802.11ac Wi-Fi wireless networking
IEEE 802.11a/b/g/n compatible

Bluetooth®

Bluetooth 4.2 wireless technology

Size and Weight

21.5-inch iMac

Height: 45.0 cm (17.7 inches)

Width: 52.8 cm (20.8 inches)

Stand depth: 17.5 cm (6.9 inches)

Weight: 5.44 kg (12.0 pounds)2

21.5-inch iMac with Retina 4K display

Height: 45.0 cm (17.7 inches)

Width: 52.8 cm (20.8 inches)

Stand depth: 17.5 cm (6.9 inches)

Weight: 5.48 kg (12.1 pounds)2

Electrical and Operating Requirements

Line voltage: 100–240V AC

Frequency: 50Hz to 60Hz, single phase

Operating temperature: 10° to 35° C (50° to 95° F)

Relative humidity: 5% to 90% noncondensing

Operating altitude: Tested up to 5,000 metres (16,400 feet)

Limited Warranty and Service

Products that you purchase in Australia are covered by Australian consumer law. For more details, click here.

Your iMac also comes with 90 days of complimentary technical support and a one-year limited warranty from Apple. To learn more about how Apple will service your iMac, click here.

Purchase AppleCare+ for Mac to get up to three years of expert technical support and additional hardware coverage from Apple, including up to two incidents of accidental damage, each subject to a service fee of A$149 for screen damage or external enclosure damage, or A$429 for other damage. Coverage begins on your AppleCare+ purchase date. For more information, click here.

In the Box

iMac or
iMac with Retina 4K display

Magic Keyboard

Magic Mouse 2

Power cord

Lightning to USB Cable

Polishing cloth

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.

Learn more

Accessibility

Accessibility features help people with disabilities get the most out of their new iMac. 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 Apps3
  • Photos
  • iMovie
  • GarageBand
  • Pages
  • Numbers
  • Keynote
  • Siri
  • Safari
  • Mail
  • FaceTime
  • Messages
  • Maps
  • News
  • Stocks
  • Home
  • Voice Memos
  • Notes
  • Calendar
  • Contacts
  • Reminders
  • Photo Booth
  • Preview
  • Books
  • App Store
  • Time Machine
  • TV
  • Music
  • Podcasts
  • Find My
  • QuickTime Player
Configure to Order

Configure your iMac with these options.

Looking for an iMac you can mount on a wall or an adjustable arm? Choose an iMac with a Built‑in VESA Mount Adapter

21.5-inch iMac

2.3GHz

Magic Trackpad 2

Magic Keyboard with Numeric Keypad

16GB memory upgrade

1TB Fusion Drive

21.5-inch iMac with Retina 4K display

3.6GHz

Magic Trackpad 2

Magic Keyboard with Numeric Keypad

3.2GHz 6-core Intel Core i7 upgrade

16GB or 32GB memory upgrade

1TB Fusion Drive

512GB or 1TB SSD

21.5-inch iMac with Retina 4K display

3.0GHz

Magic Trackpad 2

Magic Keyboard with Numeric Keypad

3.2GHz 6-core Intel Core i7 upgrade

16GB or 32GB memory upgrade

1TB Fusion Drive

512GB or 1TB SSD

Radeon Pro Vega 20 with 4GB of HBM2 memory

iMac and the Environment

We take responsibility for the environmental footprint of our products throughout their life cycle. Learn more

The 21.5-inch iMac with Retina 4K display is designed with the following features to reduce its environmental impact4:

Made with better materials

  • Enclosure made with recyclable, low-carbon aluminium
  • 50 per cent or more recycled plastic in multiple components

Energy-efficient

  • Meets ENERGY STAR requirements

Smarter chemistry

  • Arsenic-free display glass
  • Mercury-free LED-backlit display
  • BFR-, PVC-5 and beryllium-free

Green manufacturing

  • Final assembly supplier sites do not generate any waste sent to landfill6

Responsible packaging

  • 100 per cent of virgin wood fibre comes from responsibly managed forests

Apple Trade In

Letting go of your old Mac is easy with Apple Trade In. If it’s in good shape, you may be able to trade it in for Apple Store credit.* If it’s not eligible for credit, we’ll recycle it responsibly at no cost to you. It’s good for you and the planet.

See how it works

Learn more

Read the 21.5-inch iMac with Retina 4K Display Environmental Report or the 21.5-inch iMac Environmental Report for detailed information on the environmental performance of these products.

Display

Retina 5K display

27-inch (diagonal) Retina 5K display
5120‑by‑2880 resolution with support for 1 billion colours
500 nits brightness
Wide colour (P3)
True Tone technology
Configurable with nano-texture glass

Processor

3.1GHz

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

3.3GHz

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

Configurable to 3.6GHz 10‑core 10th‑generation Intel Core i9 with Turbo Boost up to 5.0GHz

3.8GHz

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

Configurable to 3.6GHz 10‑core 10th‑generation Intel Core i9 with Turbo Boost up to 5.0GHz

Price

A$2,799 RRP

A$3,099 RRP

A$3,549 RRP

Memory

8GB (2 × 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user‑accessible

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

8GB (2 × 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user‑accessible

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

8GB (2 × 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user‑accessible

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

Storage1

256GB

256GB SSD

512GB

512GB SSD

Configurable to 1TB or 2TB SSD

512GB

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 and Camera

1080p FaceTime HD camera

Simultaneously supports full native resolution on the built-in display in 1 billion colours and:

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

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

One 5120‑by‑2880 (5K) external display at 60Hz with support for 1 billion colours or

Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colours or

Two 4096‑by‑2304 (4K) external displays at 60Hz with support for millions of colours

Thunderbolt 3 digital video output

Native DisplayPort output over USB‑C

Thunderbolt 2, HDMI, DVI and VGA output supported using adapters (sold separately)

Audio

Stereo speakers

Studio-quality three-mic array with high signal-to-noise ratio and directional beamforming

3.5-mm headphone jack

Support for Hey Siri

Connections and Expansion

3.5-mm headphone jack

SDXC card slot (UHS-II)

Four USB-A ports

Two Thunderbolt 3 (USB‑C) ports with support for:

  • DisplayPort
  • Thunderbolt (up to 40 Gbps)
  • USB 3.1 Gen 2 (up to 10 Gbps)
  • Thunderbolt 2, HDMI, DVI and VGA using adapters (sold separately)

10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)

Configurable to 10Gb Ethernet with support for 1Gb, 2.5Gb, 5Gb and 10Gb Ethernet

Kensington lock slot

Input

Magic Keyboard

Magic Mouse 2

Configurable with Magic Keyboard with Numeric Keypad

Configurable with Magic Trackpad 2

Wireless

Wi-Fi

802.11ac Wi-Fi wireless networking
IEEE 802.11a/b/g/n compatible

Bluetooth®

Bluetooth 5.0 wireless technology

Size and Weight

Height: 51.6 cm (20.3 inches)

Width: 65.0 cm (25.6 inches)

Stand depth: 20.3 cm (8 inches)

Weight: 8.92 kg (19.7 pounds)2

Electrical and Operating Requirements

Line voltage: 100–240V AC

Frequency: 50Hz to 60Hz, single phase

Operating temperature: 10° to 35° C (50° to 95° F)

Relative humidity: 5% to 90% noncondensing

Operating altitude: Tested up to 5,000 metres (16,400 feet)

Limited Warranty and Service

Products that you purchase in Australia are covered by Australian consumer law. For more details, click here.

Your iMac also comes with 90 days of complimentary technical support and a one-year limited warranty from Apple. To learn more about how Apple will service your iMac, click here.

Purchase AppleCare+ for Mac to get up to three years of expert technical support and additional hardware coverage from Apple, including up to two incidents of accidental damage, each subject to a service fee of A$149 for screen damage or external enclosure damage, or A$429 for other damage. Coverage begins on your AppleCare+ purchase date. For more information, click here.

In the Box

iMac with Retina 5K display

Magic Keyboard

Magic Mouse 2

Power cord

Lightning to USB Cable

Polishing cloth

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.

Learn more

Accessibility

Accessibility features help people with disabilities get the most out of their new iMac. 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 Apps3
  • Photos
  • iMovie
  • GarageBand
  • Pages
  • Numbers
  • Keynote
  • Siri
  • Safari
  • Mail
  • FaceTime
  • Messages
  • Maps
  • News
  • Stocks
  • Home
  • Voice Memos
  • Notes
  • Calendar
  • Contacts
  • Reminders
  • Photo Booth
  • Preview
  • Books
  • App Store
  • Time Machine
  • TV
  • Music
  • Podcasts
  • Find My
  • QuickTime Player
Configure to Order

Configure your iMac with these options.

Looking for an iMac you can mount on a wall or an adjustable arm? Choose an iMac with a Built‑in VESA Mount Adapter

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

iMac and the Environment

We take responsibility for the environmental footprint of our products throughout their life cycle. Learn more

The 27-inch iMac with Retina 5K display is designed with the following features to reduce its environmental impact4:

Made with better materials

  • 100 per cent recycled tin in the solder of the main logic board
  • Enclosure made with recyclable, low-carbon aluminium
  • 60 per cent recycled plastic in multiple components

Energy-efficient

  • Meets ENERGY STAR requirements

Smarter chemistry

  • Arsenic-free display glass
  • Mercury-free LED-backlit display
  • BFR-, PVC-5 and beryllium-free

Green manufacturing

  • Final assembly supplier sites do not generate any waste sent to landfill6
  • All final assembly suppliers are transitioning to 100 per cent renewable energy for Apple production

Responsible packaging

  • 100 per cent of virgin wood fibre comes from responsibly managed forests

Apple Trade In

Letting go of your old Mac is easy with Apple Trade In. If it’s in good shape, you may be able to trade it in for Apple Store credit.* If it’s not eligible for credit, we’ll recycle it responsibly at no cost to you. It’s good for you and the planet.

See how it works

Learn more

Read the 27-inch iMac with Retina 5K Display Environmental Report for detailed information on its environmental performance.

Find the right iMac for you.

Compare all Mac models

21.5‑inch iMac

Starting at A$1,699

  • Up to 21.5-inch Retina 4K display
  • Up to 6-core Intel Core i7 processor
  • Up to 32GB of memory
  • Up to 1TB of SSD storage
  • Up to Radeon Pro Vega 20 with 4GB of HBM2 memory
Buy
New

27‑inch iMac

Starting at A$2,799

  • 27-inch Retina 5K display
  • Up to 10-core Intel Core i9 processor
  • Up to 128GB of memory
  • Up to 8TB of SSD storage
  • Up to Radeon Pro 5700 XT with 16GB of GDDR6 memory
Buy