Belkin 11-in-1 Pro GaN Dock INC020

The third screen uses a different connection

The manufacturer’s monitor table describes two HDMI sockets and a USB-C DP Alt Mode output. That USB-C display path matters when choosing cables for three screens; the presence of several ordinary USB-C sockets does not mean every one carries video.

Check the matrix rather than repeating the headline

Belkin’s launch material describes up to three 4K displays on Windows, but its detailed simultaneous-mode table includes mixed 60Hz and 30Hz rates for triple operation. macOS extends one external image and mirrors additional monitors; ChromeOS has its own lower screen-count limits. The exact computer and port combination therefore need confirmation.

A power station rating still needs a host-output check

The product has a built-in 150W supply and a collection of USB, network, card, and audio connections. That total is not a verified statement that the laptop receives 150W. We leave the host power figure unspecified here until the selected version’s power allocation is confirmed. Choose this model for a documented setup, not for adding the largest numbers in its name.

Connections & compatibility

Connection to laptop

USB-C DP Alt Mode; DP 1.4 for highest documented modes

Display technology

mst

Maximum displays (conditions apply)

3

Power to laptop (W)

Not confirmed in our sources

HDMI sockets

2

DisplayPort sockets

0

Wired network

Gigabit Ethernet

USB peripherals

USB-A and USB-C accessory connections; up to 10Gbps

Display requirements

Two HDMI plus USB-C DP Alt Mode; triple modes may mix 60Hz/30Hz

Mac notes

One independent external desktop; additional screens mirror

Windows notes

Windows on a supported video-capable host; use the model-specific display notes

These are published specifications, not results from hands-on testing. Maximum screen counts depend on the laptop, operating system, connection and chosen resolution.