Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	StarTech.com
	Product Type	Video Splitter
	Device Type	Splitter
	Video Connection Type	DisplayPort
	Number of Video Outputs	3
	Number of Ports	3
	Number of Video Inputs	1
	Audio Connection Type	DisplayPort 2 Channel Audio
	Width	105mm
	Standards/Approvals	CE, RoHS
	Weight	54g
	Height	14mm
	Depth	43mm

	Select all
	Brand StarTech.com
	Product Type Video Splitter
	Device Type Splitter
	Video Connection Type DisplayPort
	Number of Video Outputs 3
	Number of Ports 3
	Number of Video Inputs 1
	Audio Connection Type DisplayPort 2 Channel Audio
	Width 105mm
	Standards/Approvals CE, RoHS
	Weight 54g
	Height 14mm
	Depth 43mm

Datasheet - MST14CD123DP

COO (Country of Origin):: CN

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.

StarTech.com 3 Port 1 Input 3 Output DisplayPort Splitter

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