16GB of 2400MHz DDR4 onboard memory

Graphics

Radeon Pro 555X with 4GB of GDDR5 memory and automatic graphics switching

Intel UHD Graphics 630

Charging and Expansion

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

Charging

DisplayPort

Thunderbolt (up to 40 Gbps)

USB 3.1 Gen 2 (up to 10 Gbps)

Keyboard and Trackpad

Full-size backlit keyboard with:

64 (U.S.) or 65 (ISO) keys including 4 arrow keys

Touch Bar with integrated Touch ID sensor

Ambient light sensor

Force Touch trackpad for precise cursor control and pressure-sensing capabilities; enables Force clicks, accelerators, pressure-sensitive drawing, and Multi-Touch gestures

Wireless

Wi-Fi

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

Bluetooth

Bluetooth 4.2 wireless technology

Camera

720p FaceTime HD camera

Video Support

Simultaneously supports full native resolution on the built-in display at millions of colors and:

Up to two displays with 5120-by-2880 resolution at 60Hz at over a billion colors

Up to four displays with 4096-by-2304 resolution at 60Hz at over a billion colors

Thunderbolt 3 digital video output

Native DisplayPort output over USB‑C

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

Audio

Stereo speakers with high dynamic range

Three microphones

3.5 mm headphone jack