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Compact silver USB-C hub with four ports and attached cable

STARTECH

STARTECH HB31CM4CPD3 4-Port USB-C Hub USB 3.2 Gen 2 10Gbps 100W PD Pass-Through

SKU CH-R2BJ-0RZVC MPN HB31CM4CPD3

Four USB 3.2 Gen 2 Type-C ports at 10 Gbps with 100 W PD pass-through for laptop charging and peripheral power

  • TypeInternal USB Hub
  • Add four 10 Gbps USB-C ports to a single USB-C or Thunderbolt connection
  • Charge a laptop up to 85 W while using three peripherals via 100 W PD pass-through
  • Hub draws 15 W for itself leaving up to 7.5 W per downstream port
  • Fast Role Swap on PD 3.0 keeps data flowing when power source changes
  • Lightweight bus-powered design works without an external adapter

Four USB-C ports at 10 Gbps

This StarTech hub turns a single USB-C or Thunderbolt 3/4 port into four USB 3.2 Gen 2 Type-C ports running at 10 Gbps. It is aimed at laptop users who need more high-speed connections for external SSDs, docks or video-capture devices. The unit draws power from the host but can also accept a USB-C PD adapter to charge the laptop while peripherals stay connected.

For users who need four 10 Gbps Type-C ports

Suits anyone whose laptop has only one USB-C or Thunderbolt 3/4 port and wants to attach several fast peripherals at once. Not for buyers who need Type-A ports, video outputs such as HDMI or DisplayPort, an Ethernet jack, or SD-card slots. Also not for setups that require more than 85 W of pass-through charging power for the host.

100 W PD pass-through with 85 W host share

The hub reserves 15 W for its own operation and delivers up to 85 W to the laptop and downstream devices when a USB-C PD 3.0 power adapter is connected. Fast Role Swap prevents data interruption when switching between bus power and the external adapter. Without an adapter the hub runs on bus power alone.

Highlights

  • Add four 10 Gbps USB-C ports to a single USB-C or Thunderbolt connection
  • Charge a laptop up to 85 W while using three peripherals via 100 W PD pass-through
  • Hub draws 15 W for itself leaving up to 7.5 W per downstream port
  • Fast Role Swap on PD 3.0 keeps data flowing when power source changes
  • Lightweight bus-powered design works without an external adapter

Specifications

TypeInternal USB Hub
Shipping weight0.91 kg
Package size178 × 152 × 33 mm

Questions about this item

Does the hub come with a power adapter for the 100W PD pass-through?

No, a USB-C power adapter is not included; the hub works on bus power alone or you can connect your own USB-C charger to the PD port to enable up to 100W pass-through.

When should I use the PD port instead of running on bus power?

Connect a USB-C charger when you need to charge the host laptop and supply up to 7.5W to each of the three remaining ports; bus power alone cannot charge the laptop.

What does the 10Gbps rating mean for devices I plug in?

Each of the four USB 3.2 Gen 2 Type-C ports can transfer data at up to 10Gbps, so high-bandwidth peripherals such as fast SSDs or docks run at their full rated speed.

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