27-inch (diagonal) Retina 5K display, 5120‑by‑2880 resolution with support for one billion colors
500 nits brightness, Wide color (P3)
14-Core 2.5GHz Intel Xeon WTurbo Boost up to 4.3GHz 33.25MB cache
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
128GB of 2666MHz DDR4 ECC RAM, 1TB SSD
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)
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
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 idle
