Display

Retina 5K display. 27-inch (diagonal) Retina 5K display. 5120 by 2880 resolution with support for one billion colours. 500 nits brightness Wide colour(P3).

Processor

3.5GHz quad-core Intel Core i5 (Turbo Boost up to  4.1GHz).Configurable to 4.2GHz quad-core Intel Core i7 (turbo Boost up to 4.5GHz)

Memory

8GB (Two 4GB)  of 2400MHz DDR4 Memory; Four SO-DIMM slots , user accessible configurable to 16GB or 32GB, or 64GB

Storage

1TB Fusion Drive. Configurable to 2TB or 3TB  Fusion Drive or 256GB, 512GB OR 1TB SSD.

Graphics

Radeon Pro 575 with 4GB of VRAM.

Video Support and Camera

FaceTime HD Camera.Supports full native resolution on the built in display at 1 billion colours.

Audio

Stereo speakers

Microphone

3.5 mm headphone jack support for apple iPhone headset with microphone.

Connection and Expansion

3.5 mm headphone jack

SDXC card slot

Four USB 3 ports (compatible with USB 2)Two Thunderbolt 3 (compatible with USB C) ports with support for

            Display port

            Thunderbolt (upto 40 Gbps)

            USB 3.1 Gen 2 (upThunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separetely).

             10/100/1000BASE- T Gigabit Ethernet (RJ-45 connector). Kensington  lock slot.

Input 

Magic Keyboard, Magic keyboard with numeric keypad, Magic Mouse 2, Magic Trackpad 2

Wireless

Wi-Fi  802.11ac Wi-Fi  wireless networking IEEE 802.11a/b/g/n compatible.

Bluetooth 4.2 wireless technology.

Size and Weight

In the Box

iMac with Retina 5K display

Magic Keyboard

Magic Mouse 2

Power cord

Lightning to USB Cable

Operating System

 macOS High Sierra