21.5" iMac 3.6GHz quad-core 8th-generation Intel Core i3 8GB 1TB 555X
3.6GHz quad-core 8th-generation Intel Core i3 processor
8GB 2666MHz DDR4 memory
Radeon Pro 555X with 2GB of GDDR5 memory
1TB Serial ATA Drive @ 5400 rpm
Magic Mouse 2
Magic Keyboard - British
The vision behind iMac has never wavered: transform the desktop experience by fitting powerful, easy-to-use technology into an elegant, all-in-one design. The new iMac takes that idea to the next level — giving you even more amazing tools to do just about anything. iMac is packed with the latest processors, faster memory and phenomenal graphics. All coming to life on the brightest, most vibrant Retina display ever on a Mac. It’s the total package — powered up.
So bright and colourful, you can’t look away.
Available in stunning 4K or 5K, the Retina display shines beautifully on iMac. With 1 billion colours and 500 nits of brightness, graphics leap off the screen. Text is razor-sharp. Binge-worthy programmes and blockbuster films have never looked more amazing. Graphics and games dazzle in exquisite detail. It’s simply the best Mac Retina display yet.
Speed. From blazing to breakneck.
Faster than ever, iMac is now equipped with eighth- and ninth-generation Intel Core processors and the latest in high-performance graphics options. Storage zips along too, with the snappy and spacious Fusion Drive available in both models. Or you can configure iMac with up to a 2TB SSD. So no matter what you’re into, you can do anything you love on iMac. All at maximum velocity
Up to a whopping 8 cores. Process that.
With ultra-powerful quad-core and all-new 6- and 8-core processors, iMac is a total tour de force. The 27-inch model now clocks Turbo Boost speeds up to 5.0GHz, while the 21.5-inch model reaches 4.6GHz. Which means you get more muscle when you’re using processor-intensive applications like Logic Pro X or Adobe Photoshop. Everything feels flat-out fast.
Graphics that render you speechless.
iMac features robust new Radeon Pro 500X series graphics that make everything you see even more extraordinary. The 27-inch iMac with Retina 5K display is loaded with up to 8GB of dedicated VRAM. And the 21.5-inch iMac with Retina 4K display ignites with up to 4GB. Both deliver visual effects and 3D graphics that exhibit raw power in its most polished form.
Bump it up to beast mode with Vega.
For even greater graphics performance, Radeon Pro Vega GPU options are now available on iMac. Vega — the same graphics architecture found in iMac Pro — delivers an enhanced compute engine and utilises High Bandwidth Memory (HBM2). This doubles the memory bandwidth to the GPU, resulting in sizzling performance. And it allows iMac to tackle graphics-intensive tasks like 3D rendering or complex video effects in a whole new — and much faster — way.
Storage that’s lightning fast.
And super smart.
Storage is about space. But it’s also about speed. A Fusion Drive gives you the best of both worlds. The apps and files you use the most are automatically stored on fast flash storage, while everything else moves to a high-capacity hard drive. From booting up to launching apps to importing photos, it’s faster and more efficient to do it all with Fusion Drive. It comes as standard on all 27-inch models, and as an option on the 21.5-inch model.
iMac + macOS
macOS is the operating system that powers everything you do on a Mac. It lets you do things you simply can’t do with other computers. That’s because it’s designed specifically for the hardware it runs on — and vice versa. And the latest version, macOS Catalina, gives you more of everything you love about Mac.
iMac + iPhone
Your iMac works seamlessly with your iPhone. So whether you’re texting, snapping a photo, or copying and pasting an image, you can move between devices without missing a beat.
Retina 4K display
21.5-inch (diagonal) Retina 4K display
4096x2304 resolution with support for 1 billion colours
500 nits brightness
Wide colour (P3)
3.6GHz quad‑core Intel Core i3
8GB of 2400MHz DDR4 memory
1TB (5400-rpm) hard drive
Radeon Pro 555X with 2GB of VRAM
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 5120x2880 (5K) external display at 60Hz with support for 1 billion colours, or
Two 3840x2160 (4K UHD) external displays at 60Hz with support for 1 billion colours, or
Two 4096x2304 (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)
3.5mm headphone jack
Support for Apple iPhone headset with microphone
Connections and Expansion
3.5mm headphone jack
SDXC card slot
Four USB 3 ports (compatible with USB 2)
Two Thunderbolt 3 (USB‑C) ports with support for:
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 comes as standard with your iMac. It’s wireless and rechargeable (so you won’t be replacing batteries), with an ultra-compact, edge-to-edge design that wastes no surface space. It has a stable scissor mechanism, optimised key travel and a low profile that provide control and comfort. And it pairs immediately with your iMac straight 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 as 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.
802.11ac Wi‑Fi wireless networking
IEEE 802.11a/b/g/n compatible
Bluetooth 4.2 wireless technology
Size and Weight
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: 5.60 kg (12.3 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 95% non-condensing
Operating altitude: tested up to 3,000 metres (10,000 feet)
In the Box
21.5‑inch iMac with Retina 4K display
Magic Mouse 2
Lightning to USB Cable
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 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.
Siri and Dictation
Text to Speech