Specifications
21.5 inch iMac
Display
21.5 inch with Led Backlight
21.5-inch (diagonal) LED‑backlit display
1920×1080 resolution with support for millions of colours
21.5 inch with Retina 4K display
21.5-inch (diagonal) Retina 4K display
4096×2304 resolution with support for 1 billion colours
500 nits brightness
Wide colour (P3)
Processor
21.5 inch with Led Backlight
2.3GHz dual‑core Intel Core i5, Turbo Boost up to 3.6GHz
21.5 inch with Retina 4K display
1) 3.6GHz quad‑core Intel Core i3, Configurable to 3.2GHz 6-core Intel Core i7, Turbo Boost up to 4.6GHz
2) 3.0GHz 6-core Intel Core i5, Turbo Boost up to 4.1GHz, Configurable to 3.2GHz 6-core Intel Core i7, Turbo Boost up to 4.6GHz
Memory
- 8GB of 2133MHz DDR4 memory, Configurable to 16GB
21.5 inch with Retina 4K display
- 8GB of 2400MHz DDR4 memory, Configurable to 16GB or 32GB
- 8GB of 2666MHz DDR4 memory, Configurable to 16GB or 32GB
Storage
256GB SSD, Configurable to 1TB Fusion Drive
21.5 inch with Retina 4K display
256GB SSD, Configurable to 1TB Fusion Drive, 512GB SSD or 1TB SSD
Graphics
21.5 inch with Led Backlight
Intel Iris Plus Graphics 640
21.5 inch with Retina 4K display
- 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 at millions of colours (21.5-inch) or 1 billion colours (21.5-inch 4K) and:
- One 5120×2880 (5K) external display at 60Hz with support for 1 billion colours, or
- Two 3840×2160 (4K UHD) external displays at 60Hz with support for 1 billion colours, or
- Two 4096×2304 (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
- 3.5mm headphone jack
Connections and Expansion
- HeadphoneSDXC card slotUSB-AThunderbolt 3 (USB-C)Gigabit Ethernet
- 3.5mm 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 supported 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 with Led Backlight
- 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)
21.5 inch 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)
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% non-condensing
Operating altitude: tested up to 5,000 metres (16,400 feet)
Your iMac comes with 90 days of complimentary technical support and a one-year limited warranty.
In the Box
- iMac with Led Backlight OR iMac with Retina 4K display
- Magic Keyboard
- Magic Mouse 2
- Power cord
- Lightning to USB Cable
- Polishing cloth
macOS is the most advanced desktop operating system in the world. macOS Big Sur introduces a bold new design and major updates to apps — taking macOS to a new level of power and beauty.
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.
Features include:
- Voice Control
- VoiceOver
- Zoom
- Increase Contrast
- Reduce Motion
- Siri and Dictation
- Switch Control
- Closed Captions
- Text to Speech
iMac and the Environment
We take responsibility for the environmental footprint of our products throughout their life cycle.
The 21.5-inch iMac with Retina 4K display is designed with the following features to reduce its environmental impact:
Made with better materials
- Enclosure made with recyclable, low-carbon aluminium
- 50% 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- and beryllium-free
Green manufacturing
- Final assembly supplier sites do not generate any waste sent to landfill.
Responsible packaging
- 100% of virgin wood fibre comes from responsibly managed forests.
Recycling
Apple takes a holistic view of materials management and waste minimisation. Learn more about how to recycle your Mac.
27 inch iMac
Display
- 27-inch (diagonal) Retina 5K display
- 5120×2880 resolution with support for 1 billion colours
- 500 nits brightness
- Wide colour (P3)
- True Tone technology
- Configurable with nano-texture glass
- 3.1GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.5GHz
- 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 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
- 8GB (two 4GB) of 2666MHz DDR4 memory; four SO‑DIMM slots, user accessible, Configurable to 16GB, 32GB, 64GB or 128GB
3.1Ghz Version
256GB SSD
3.3Ghz Version
512GB SSD, Configurable to 1TB or 2TB SSD
3.8Ghz Version
512GB SSD, Configurable to 1TB, 2TB, 4TB or 8TB SSD
- 3.1Ghz Version – Radeon Pro 5300 with 4GB of GDDR6 memory
- 3.3Ghz Version – Radeon Pro 5300 with 4GB of GDDR6 memory
- 3.8Ghz Version – Radeon Pro 5500 XT with 8GB of GDDR6 memory, Configurable to Radeon Pro 5700 with 8GB of GDDR6 memory OR Configurable to Radeon Pro 5700 XT with 16GB of GDDR6 memory
- 1080p FaceTime HD camera
- Simultaneously supports full native resolution on the built-in display at 1 billion colours and:
- One 6016×3384 (6K) external display at 60Hz with support for 1 billion colours, or
- Two 6016×3384 (6K) external displays at 60Hz with support for 1 billion colours (requires Radeon Pro 5700 or Radeon Pro 5700 XT), or
- One 5120×2880 (5K) external display at 60Hz with support for 1 billion colours, or
- Two 3840×2160 (4K UHD) external displays at 60Hz with support for 1 billion colours, or
- Two 4096×2304 (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)
- Stereo speakers
- Studio-quality three-mic array with high signal-to-noise ratio and directional beamforming
- 3.5mm headphone jack
- Support for “Hey Siri”
- HeadphoneSDXC card slot (UHS-II)USB-AThunderbolt 3 (USB-C)Gigabit Ethernet-
- 3.5mm 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 supported 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
- Magic Keyboard
- Magic Mouse 2
- Configurable with Magic Keyboard with Numeric Keypad
- Configurable with Magic Trackpad 2
Wi-Fi
- 802.11ac Wi-Fi wireless networking
- IEEE 802.11a/b/g/n compatible
Bluetooth
- Bluetooth 5.0 wireless technology
- 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)
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% non-condensing
Operating altitude: tested up to 5,000 m (16,400 feet)
Your iMac comes with 90 days of complimentary technical support and a one-year limited warranty.
iMac with Retina 5K display
- Magic Keyboard
- Magic Mouse 2
- Power cord
- Lightning to USB Cable
- Polishing cloth
macOS is the most advanced desktop operating system in the world. macOS Big Sur introduces a bold new design and major updates to apps — taking macOS to a new level of power and beauty.
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.
Features include:
- Voice Control
- VoiceOver
- Zoom
- Increase Contrast
- Reduce Motion
- Siri and Dictation
- Switch Control
- Closed Captions
- Text to Speech
iMac and the Environment
We take responsibility for the environmental footprint of our products throughout their life cycle.
The 27-inch iMac with Retina 5K display is designed with the following features to reduce its environmental impact:
Made with better materials
- 100% recycled tin in the solder of the main logic board
- Enclosure made with recyclable, low-carbon aluminum
- 60% 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 landfill.
- All final assembly suppliers are transitioning to 100% renewable energy for Apple production.
Responsible packaging
- 100% of virgin wood fibre comes from responsibly managed forests.
