Display

• 21.5-inch (diagonal) Retina 4K display with IPS technology

• 4096-by-2304 resolution with support for millions of colors

Processor

• 3.1GHz quad-core Intel Core i5 (Turbo Boost up to 3.6GHz)

  • Configurable to 3.3GHz quad-core Intel Core i7 (Turbo Boost up to 3.8GHz)

Memory

• 8GB of 1867MHz LPDDR3 onboard memory

  • Configurable to 16GB

Storage

• 1TB (5400-rpm) hard drive

  • Configurable up to 2TB Fusion Drive or 512GB of flash storage (SSD)

Graphics

• Intel Iris Pro Graphics 

Audio

• Stereo speakers

• Dual microphones

• 3.5 mm headphone jack

  • Headphone/optical digital audio output (minijack)

  • Support for Apple iPhone headset with microphone

Wireless

• Wi-Fi

  • 802.11ac Wi-Fi wireless networking

  • IEEE 802.11a/b/g/n compatible

• Bluetooth

  • Bluetooth 4.0 wireless technology