Who needs this setup?

Dual-screen desk workers

If you want two extended screens alongside an existing USB printer, check the laptop’s external-display capability, the monitors’ inputs and the dock’s USB data ports. Microsoft Support and Apple Support both emphasise checking what the host computer can support.

Mixed-device home-office users

If you switch laptops or have a USB-C port whose video capability is unclear, a DisplayLink dock may be worth considering. Check the stated operating-system support and software requirements for the exact dock.

Peripheral-heavy desk users

If the printer shares your desk with other USB devices, wired networking and laptop charging, compare the available ports and delivered charging power. CalDigit and Dell both specify host-dependent capabilities for their docks.

What matters when choosing a dock?

For two external screens and a USB printer, establish the laptop’s display capability first; then match the dock’s monitor connections, printer port and charging arrangement to your desk.

Native USB-C or Thunderbolt

Consider it when: Your laptop supports the required two-display mode through a compatible host port and you want a setup without DisplayLink software.

Check: A USB-C connector alone does not establish display support; the laptop, operating system, cable and dock must support the intended mode.

DisplayLink

Consider it when: You need a dock with stated USB-A host support or the required native display output is unavailable.

Check: The exact dock’s operating-system support and required DisplayLink software before choosing it.

ConcernWhat to checkWho this matters to
Two extended screens Check the exact laptop’s external-display limit and host port, then match the dock’s outputs to both monitors’ inputs and required display modes. If I need separate screens for work, two video sockets are little use unless my laptop can drive both as intended. Around 36% of consumers put display compatibility first.
Printer and USB devices Match the printer cable to an available USB data port; allow for other peripherals you want connected at the same time. I want to leave my printer connected without unplugging another device whenever I print. For around 29% of consumers, printer and peripheral connectivity is the primary need.
Charging and desk connections Compare delivered power for your laptop type with its charging requirement, and check whether the needed power supply is included. If the dock is my permanent desk connection, I need to know whether it can charge my laptop while my other devices remain attached. Around 21% of consumers prioritise charging and fixed-desk connections.
Host and system flexibility Check the exact laptop, operating-system version and dock compatibility, including any DisplayLink software requirement. I may change laptops or use an older host connection, so explicit support matters more to me than the connector’s shape. Host and system flexibility comes first for around 14% of consumers.

Mistakes to avoid

  • Assuming USB-C guarantees two extended screens

    A dock can have two video outputs even when the connected laptop cannot run both in the desired mode. Microsoft Support and Apple Support advise checking the host computer’s capabilities.

    Look up the exact laptop model’s external-display specifications before choosing a native USB-C, USB4 or Thunderbolt dock.

  • Choosing a Windows-only dock for a Mac or Chromebook

    StarTech.com states that its 201UE-USBC-DOCK is not compatible with macOS or ChromeOS; Apple says Mac display support varies by model.

    Read the compatibility information for the exact dock and check the laptop’s documented external-display limit.

  • Assuming maximum charging power applies to every laptop

    Dell lists different delivered power for Dell and non-Dell systems on its SD25TB4 dock, while CalDigit says TS4 functions depend on the connected host.

    Compare the power delivered to your type of laptop with its charging requirement, and check what power equipment comes with the dock.

  • Blaming the display driver for a printer connection fault

    DisplayLink Support distinguishes devices on a dock’s USB hub from functions managed by its DisplayLink chip.

    If printing fails, test the printer directly on the laptop, check its USB cable and follow the dock maker’s USB-port troubleshooting advice.

Relevant dock brands

StarTech.com

USB-C and Thunderbolt docks, including a Windows-focused driverless dual-monitor model.

  • StarTech.com specifies two DisplayPort outputs at up to dual 4K 60 Hz, four USB-A 5 Gbps ports, two USB-C ports and 100 W laptop charging for the 201UE-USBC-DOCK.
  • That model is expressly incompatible with macOS and ChromeOS.

Kensington

Dock options that include DisplayLink-based USB-C and USB-A host connectivity.

  • Kensington lists dual 4K support, six USB ports and Windows, macOS and ChromeOS support for its SD4781P.
  • The SD4781P requires DisplayLink software. Its Power Delivery provision applies to a USB-C host; a USB-A host needs an optional power splitter for Power Delivery.

CalDigit

Thunderbolt-focused docks for compatible, peripheral-heavy desk setups.

  • CalDigit specifies 18 ports and up to 98 W sustained laptop charging for the TS4.
  • TS4 functions depend on the host. CalDigit specifically identifies M1 Pro, Max and Ultra Macs for dual-display support rather than claiming it for every Mac.

Dell

USB-C and Thunderbolt docks relevant to Dell laptops and managed desk setups.

  • Dell UK specifies dual 4K 60 Hz displays and multiple USB ports for the SD25TB4.
  • Dell lists 130 W delivery for Dell systems but 96 W for non-Dell systems on that model; check the figure applicable to your laptop.

Joybuy docks for this setup

These USB-C dock choices have video connections relevant to a two-screen desk. Check your laptop’s display capability and each dock’s USB connection against your printer before deciding between them.

Targus USB-C Universal Dual HDMI 4K dock with 100 W Power Delivery pass-through

Targus USB-C Universal Dual HDMI 4K Dock, 100 W Power Delivery Pass-Thru, retail packaging

Consider this for a desk with two HDMI monitors if your laptop supports the required dual-display mode; check that the dock has a suitable USB data connection for your printer.

The product name specifies dual HDMI 4K connections and 100 W Power Delivery pass-through. Confirm the display mode your laptop can achieve and what power equipment is included.

Joybuy
USB-C dock with two HDMI connections, DisplayPort and USB ports

USB-C dock with 2 HDMI, DP, 2 USB 3.0, 2 USB 2.0, RJ45, PD, SD/TF and audio

Consider this connection layout if you need ports for a printer and other USB devices alongside two monitors; confirm that your laptop and the dock support the intended display arrangement.

The product name identifies two HDMI connections, DisplayPort, two USB 3.0 ports and two USB 2.0 ports, as well as RJ45, PD, SD/TF and audio connections. Check the supported resolution and refresh rate against both monitors.

Joybuy

Questions about docks and printers

Will any USB-C dock run two separate external screens?

No: the laptop must support the required external-display arrangement as well as the dock. Check the exact laptop model, host port, operating system, dock display mode and monitor connections; Microsoft Support and Apple Support both caution that host capabilities matter.

Does a DisplayLink dock need software?

Install DisplayLink software when the dock maker requires it. Kensington explicitly requires driver installation for its SD4781P; check the software and operating-system requirements for the exact model you plan to use.

Can a USB printer connect through a dock?

A USB printer can connect through a compatible USB data port if the printer, its cable and its driver work with the laptop. If it fails through the dock, try it directly on the laptop; DisplayLink Support says devices on the dock’s USB hub are distinct from functions handled by the DisplayLink chip.

Why might a dock charge two laptops differently?

Delivered charging power can depend on the dock and connected laptop. Dell UK specifies 130 W for Dell systems and 96 W for non-Dell systems on the SD25TB4, so compare the figure for your laptop type with its charging requirement.

Which product marking applies to electrical equipment in Great Britain?

For electrical equipment placed on the Great Britain market, GOV.UK guidance dated 31 March 2026 lists UKCA or CE marking. Northern Ireland has different marking arrangements, so check the rules applicable to the intended market rather than applying the Great Britain guidance there.