Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	StarTech.com
	Product Type	Adapter
	Standards/Approvals	CE
	Thunderbolt Connector Type	Thunderbolt 3
	Number of USB Ports	4
	Supported Number of Displays	3
	Maximum Resolution	3840 x 2160 pixel
	USB Specification	USB 3.2
	Bus Type	USB C
	Video Connection Type	DisplayPort, HDMI, USB Hub

	Select all
	Brand StarTech.com
	Product Type Adapter
	Standards/Approvals CE
	Thunderbolt Connector Type Thunderbolt 3
	Number of USB Ports 4
	Supported Number of Displays 3
	Maximum Resolution 3840 x 2160 pixel
	USB Specification USB 3.2
	Bus Type USB C
	Video Connection Type DisplayPort, HDMI, USB Hub

Datasheet - 154B-USBC-MULTIPORT

COO (Country of Origin):: PH

StarTech Adapter, USB 3.2 USB Specification, Thunderbolt 3 Connector Type - 154B-USBC-MULTIPORT

This adapter is a USB-C multiport docking accessory that consolidates video, data and network connections through a single USB-C or Thunderbolt 3/4 laptop port. It uses DP1.4 Alt Mode with MST to drive up to three external monitors while providing additional USB-A ports, SD and microSD card access, a Gigabit Ethernet Interface and a dedicated USB-C power-delivery pass-through port for host charging. The unit is bus-powered with host adapter support and requires a compatible host port for full functionality.

Features and Benefits:

• Supports up to 2 x 4K60Hz and 1 x 4K30Hz to enable high-resolution multiscreen setups
• USB 3.2 Gen 1 hub provides 5Gbps and USB 480Mbps for diverse peripherals
• 100W PD pass-through reserves 15W for the adapter and supplies up to 85W to host
• Gigabit Ethernet with Wake-on-LAN for stable wired connectivity
• SD and microSD card readers deliver direct multimedia access

Applications

• Suitable for desktop-class multi-monitor productivity stations
• Ideal for mobile professionals needing triple-display capability
• Used with laptops that support DP1.4 Alt Mode and MST
• Can be used for wired network access in hotspot-prone locations
• Used for transferring media from SD cards to a host device

What host port features are required for maximum video performance?

The host USB-C port must support USB-C Power Delivery, DisplayPort Alt Mode with MST and DP1.4 with DSC for full triple-4K performance.

How does the adapter manage power distribution when charging a laptop?

When connected to a USB-C power adaptor, the pass-through port accepts 100W PD with 15W reserved for the adapter and up to 85W available to the host.

Which video outputs are provided and how do they affect GPU load?

The unit provides one HDMI 2.0b and two DisplayPort 1.4 outputs and relies on the laptop’s integrated or discrete GPU to deliver uncompressed video with minimal CPU usage.

What USB port types and speeds are available for peripherals?

The hub includes four USB-A ports: two at USB 5Gbps and two at USB 480Mbps for a mix of high-speed and legacy devices.

StarTech.com 3 3840 x 2160 pixel USB C Adapter USB 3.2 Portswith DisplayPort, HDMI, USB Hub - 4 xUSB ports

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