27-inch (diagonal) Retina 5K display
5120‑by‑2880 resolution with support for billions of colors
500 nits brightness
8-Core, 10-Core, 18-Core i7
32GB of 2666MHz DDR4 ECC memory
Configurable to 64GB or 128GB
1TB SSD
Configurable to 2TB or 4TB SSD
Vega GPU Radeon Pro Vega 56 graphics processor with 8GB of HBM2 memory
Configurable to Radeon Pro Vega 64 graphics processor with 16GB of HBM2 memory
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, VGA, HDMI, DVI, and Thunderbolt 2 output supported using adapters (sold separately)
Enhanced Bass Stereo speakers
Four microphones
3.5 mm headphone jack
Connections and Expansion
3.5 mm
headphoneSDXC card slotUSB 3Thunderbolt 3
(USB-C)Ethernet
10Gb Ethernet
Nbase-T Ethernet supports 1Gb, 2.5Gb, 5Gb, and 10Gb Ethernet using RJ‑45 connector
Four Thunderbolt 3 (USB-C) ports
Four USB 3 ports
SDXC card slot with support for UHS‑II
Wi-Fi
802.11ac Wi-Fi wireless networking
IEEE 802.11a/b/g/n compatible
Bluetooth 4.2 wireless technology
Size and Weight
25.6 inches
(65.0 cm)20.3 inches
(51.6 cm)
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)
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 16,400 feet (5000 meters)
https://www.apple.com/imac-pro/specs/
