Display

• 27-inch (diagonal) Retina 5K display

• 5120‑by‑2880 resolution with support for one billion colors

• 500 nits brightness

• Wide color (P3)

Processor

• 8-Core

  • 3.2GHz Intel Xeon W

  • Turbo Boost up to 4.2GHz

  • 19MB cache

• 10-Core

  • 3.0GHz Intel Xeon W

  • Turbo Boost up to 4.5GHz

  • 23.75MB cache

Configurable to:

• 14-Core

  • 2.5GHz Intel Xeon W

  • Turbo Boost up to 4.3GHz

  • 33.25MB cache

• 18-Core

  • 2.3GHz Intel Xeon W

  • Turbo Boost up to 4.3GHz

  • 42.75MB cache

Graphics

• Vega 56

  • Radeon Pro Vega 56 graphics processor

  • with 8GB of HBM2 memory

  • 56 compute units

  • 3584 stream processors

  • 9 teraflops single precision

  • 18 teraflops half precision

Configurable to:

• Vega 64

  • Radeon Pro Vega 64 graphics processor

  • with 16GB of HBM2 memory

  • 64 compute units

  • 4096 stream processors

  • 11 teraflops single precision

  • 22 teraflops half precision

• Vega 64X

  • Radeon Pro Vega 64X graphics processor

  • with 16GB of HBM2 memory

  • 64 compute units

  • 4096 stream processors

  • 12 teraflops single precision

  • 24 teraflops half precision

Memory

• 32GB

  • 32GB of 2666MHz DDR4 ECC memory

  • Quad-channel memory controller

Configurable to:

• 64GB

  • 64GB of 2666MHz DDR4 ECC memory

• 128GB

  • 128GB of 2666MHz DDR4 ECC memory

• 256GB

  • 256GB of 2666MHz DDR4 ECC memory

Storage¹

• 1TB SSD

Configurable to:

• 2TB SSD

• 4TB SSD

Video Support and Camera

• 1080p FaceTime HD camera

• Simultaneously supports full native resolution on the built-in display at 1 billion colors and:

  • Two 5120‑by‑2880 (5K) external displays at 60Hz with support for 1 billion colors, or

  • Four 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors, or

  • Four 4096‑by‑2304 (4K) external displays at 60Hz with support for millions of colors

• Support for extended desktop and video mirroring modes

• 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

• Four microphones

• 3.5 mm headphone jack

• Support for “Hey Siri”

Connections and Expansion

• Nbase-T Ethernet with support for 1Gb, 2.5Gb, 5Gb, and 10Gb Ethernet using RJ‑45 connector

• SDXC card slot with support for UHS‑II

• Four USB-A ports

• Four Thunderbolt 3 (USB-C) ports with support for:

  • DisplayPort 1.2

  • Thunderbolt (up to 40Gb/s)

  • USB 3.1 Gen 2 (up to 10Gb/s)

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

Input

• Space Gray Magic Keyboard with Numeric Keypad

• Space Gray Magic Mouse 2

• Optional Space Gray Magic Trackpad 2

Wireless

• Wi-Fi

  • 802.11ac Wi-Fi wireless networking

  • IEEE 802.11a/b/g/n compatible

• Bluetooth

  • Bluetooth 5.0 wireless technology

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: 21.5 pounds (9.7 kg)²

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 90% noncondensing

• Operating altitude: tested up to 16,400 feet (5000 meters)

• Typical acoustical performance: Sound pressure level (operator position): 13 dBA at idle³