iMac (21.5-inch, 2017) - Technical Specifications
Display
21.5-inch (diagonal) LED-backlit display
1920‑by‑1080 resolution with support for millions of colors
Processor
2.3GHz
2.3GHz dual‑core Intel Core i5, Turbo Boost up to 3.6GHz
Memory
2.3GHz
8GB of 2133MHz DDR4 memory
Configurable to 16GB
Storage1
1TB (5400-rpm) hard drive
Configurable to 1TB Fusion Drive or 256GB SSD
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
Support for Apple iPhone headset with microphone
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)2
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
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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 about Accessibility
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