iMac 21.5-inch

Tech Specs

Display

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

Processor

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

Memory

8GB
8GB of 2133MHz DDR4 memory
Configurable to 16GB

Storage

256GB SSD
Configurable to 1TB Fusion Drive

Graphics

Intel Iris Plus Graphics 640

Video Support and Camera

FaceTime HD camera

Simultaneously supports full native resolution on the built-in display at millions of colors and:
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)

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 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

Input

Magic Keyboard
Magic Mouse
Configurable with Magic Keyboard with Numeric Keypad
Configurable with Magic Trackpad

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

Height: 17.7 inches (45.0 cm)
Width: 20.8 inches (52.8 cm)
Stand depth: 6.9 inches (17.5 cm)
Weight: 12.0 pounds (5.44 kg)

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 90% noncondensing
Operating altitude: tested up to 16,400 feet (5000 meters)

Operating System

macOS
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

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