StarTech.com 3 Port 1 Input 3 Output DisplayPort Splitter

StarTech Video Splitter, 3 Ports, DisplayPort Video Output - MST14CD123DP

This video splitter converts a USB-C DP Alt Mode input into three independent DisplayPort outputs for multi-monitor setups on compatible Windows hosts. It uses MST to separate a single input stream into three signals, supports HDR and DisplayPort 1.4 capabilities, and operates without external power or drivers. The unit is Compact and low-profile for portable and desktop environments.

Features and Benefits:

• Supports three 4K60Hz displays when the host GPU permits
  Uses DisplayPort 1.4 with DSC to preserve image fidelity
  Built-in signal amplifier extends cable length and stability
  Bus-powered operation eliminates the need for an external PSU
  Integrated 30cm cable reduces port strain on devices

Applications

• Suitable for expanding a laptop desktop across three monitors
  Ideal for streaming high-resolution content to multiple displays
  Used with discrete GPUs for graphics-intensive workflows
  Can be used for multi-screen office presentations
  Useful for photo and video editing across separate screens

Which host devices are compatible with this adapter?

Windows devices that offer DP Alt Mode over USB-C and native MST support are compatible, including systems with Thunderbolt 3/4 or USB4.

Does the adapter require drivers or external power?

No drivers are required and the unit is bus-powered, so no external power supply is necessary.

What audio capabilities are provided over the outputs?

The outputs carry DisplayPort two-channel audio alongside video via the DisplayPort 1.4 interfaces.

How does the device handle HDR content?

It supports High Dynamic Range to increase contrast, brightness and colour range on connected displays.

What chipset facilitates the signal management?

A Synaptics VMM5330 chipset manages the multi-stream transport and signal separation.