iMac (Retina 4K, 21.5-inch, 2017) - Technical Specifications

Display

• 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)

Processor

• 3.6GHz quad-core Intel Core i7 (Turbo Boost up to 4.2GHz)
  
  

Memory

• 3.0GHz
  8GB/16gb/32gb/64gb of 2400MHz DDR4 memory
  
  

Storage1

• 1TB SSD/2Tb SSD/4Tb SSD

Graphics

• 3.6GHz
  Radeon Pro 560 with 4GB of VRAM

Video Support and Camera

• 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)

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 3 ports (compatible with USB 2)
• 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

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: 12.5 pounds (5.66 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 95% noncondensing
• Operating altitude: tested up to 10,000 feet

In the Box

• 21.5‑inch iMac with Retina 4K display
• Magic Keyboard
• Magic Mouse 2
• Power cord
• Lightning to USB Cable

Operating System

macOS
macOS is the operating system that powers everything you do on a Mac. macOS Ventura brings new features inspired by its most powerful users, but designed for everyone. So you can get more out of every click.

Accessibility

Accessibility features help people with disabilities get the most out of their new iMac. With built-in support for vision, hearing, physical and motor skills, and learning and literacy, you can create and do amazing things.

Features include:

• 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
• iTunes
• Books
• App Store
• Time Machine