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

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.