Display

27-inch (diagonal) Retina 5K display

5120x2880 resolution with support for one billion colors

500 nits brightness

Wide color (P3)

Processor

3.8GHz quad?core Intel Core i5 (Turbo Boost up to 4.2GHz)

Memory

Capacity : 8GB 

MHz : 2400Mz

DDR : DDR4

Storage

2 TB Fusion Drive

Size and Weight

Height : 20.3 inches (51.6 cm)

Width : 25.6 inches (65.0 cm)

Stand depth : 8 inches (20.3 cm)

Weight : 20.8 pounds (9.44 kg)

Graphics

Radeon Pro 580 with 8GB of VRAM

Video Support

& Camera

FaceTime HD camera

Simultaneously supports full native resolution on the built-in display at 1 billion 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

Connections and expansions

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)

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

Audio

Stereo speakers Microphone 3.5 mm headphone jack Support for Apple iPhone headset with microphone

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

Operating system

macOS High Sierra