iMac (21.5-inch, 2017) - Technical specifications

Screen

• 21.5-inch (diagonal) LED backlit display


• 1920‑x‑1080 resolution with support for millions of colors

Processor

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

Memory

• 8 GB 2133 MHz DDR4 memory

Memory capacity

• 1 TB (5400 rpm) hard drive

Graphics

• Intel Iris Plus Graphics 640

Video support and camera

• FaceTime HD camera


• Simultaneously supports full native resolution on the integrated display with support for millions of colors and:
  
  
  
  • One 5120‑x‑2880 (5K) external display operating at 60 Hz with support for 1 billion colors, or
  
  
  • Two 3840‑x‑2160 (4K UHD) external displays operating at 60 Hz with support for 1 billion colors, or
  
  
  • Two 4096‑x‑2304 (4K) external displays running at 60 Hz with support for millions of colors
  
  
  
  


• Thunderbolt 3 digital video output


• Native DisplayPort output via USB-C


• Thunderbolt 2, HDMI, DVI, and VGA outputs supported using adapters (sold separately)

Sound system

• Stereo speakers


• Microphone


• 3.5mm headphone jack
  
  
  
  • Supports Apple iPhone headsets
  
  
  
  

Connections and expansion

• 3.5mm headphone jack


• SDXC card slot


• Four USB-A ports


• Two Thunderbolt 3 (USB-C) ports with support for:
  
  
  
  • DisplayPort
  
  
  • Thunderbolt (up to 40 Gbps)
  
  
  • USB 3.1 Gen 2 (up to 10 Gb/s)
  
  
  • Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately)
  
  
  
  


• 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)


• Kensington lock socket

Input

• Magic Keyboard


• Magic Mouse


• Configurable with Magic Keyboard with Numeric Keypad


• Configurable with Magic Trackpad

Wireless technology

• Wi-Fi
  
  
  
  • 802.11ac Wi-Fi wireless network
  
  
  • IEEE 802.11a/b/g/n compatibility
  
  
  
  


• 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 lbs (5.44 kg) ²