Apple iMac i5 2.3GHz 21.5" (2017)

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 of 2133MHz DDR4 memory
Configurable to 16GB

Storage
1TB (5400-rpm) hard 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 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

Input
Magic Keyboard
Magic Mouse 2

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