Description
Retina 4K display
21.5-inch (diagonal) Retina 4K display
4096-by-2304 resolution with support for one billion colors
500 nits brightness
Wide color (P3)
3.6GHz quad‑core Intel Core i3, Configurable to 3.2GHz 6-core Intel Core i7, Turbo Boost up to 4.6GHz
8GB of 2400MHz DDR4 memory, Configurable to 16GB or 32GB
256GB SSD, Configurable to 1TB Fusion Drive, 512GB SSD, or 1TB SSD
Radeon Pro 555X with 2GB of GDDR5 memory
FaceTime HD camera
Simultaneously supports full native resolution on the built-in display at millions of colors (21.5-inch) or 1 billion colors (21.5-inch 4K) 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)
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
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 4.2 wireless technology
21.5-inch iMac
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)2
iMac with Retina 4K display
Magic Keyboard
Magic Mouse 2
Power cord
Lightning to USB Cable
Polishing cloth
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.
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