Product Description
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
- 3.0GHz quad‑core Intel Core i5 (Turbo Boost up to 3.5GHz)
- Configurable to 3.6GHz quad-core Intel Core i7 (Turbo Boost up to 4.2GHz)
Memory
- 8GB of 2400MHz DDR4 memory
- Configurable to 16GB
Storage
- 1TB (5400-rpm) hard drive
- Configurable to 1TB Fusion Drive or 256GB or 512GB SSD
Graphics
- Radeon Pro 555 with 2GB 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
(52.8 cm)17.7 inches
(45.0 cm)
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
