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Space Gray USB-C docking station with dual HDMI, six USB ports and 2.5GbE

STARTECH

STARTECH 155NAUSB4DOCK docking station USB-C 40Gbps dual HDMI 2.1 6x USB 2.5GbE 100W PD

SKU CH-M8BJ-640JX MPN 155NAUSB4DOCK

USB4 docking station with dual HDMI 2.1, six USB ports up to 10Gbps, 2.5GbE LAN and 100W power delivery

  • Product colorSpace Gray
  • Key featuresExternal Ports: 2 - HDMI (19 pin), 1 - USB 3.2 Type-A (9 Pin
  • Dual HDMI 2.1 ports drive two 4K 60 Hz displays
  • 40 Gbps USB-C bandwidth handles high-speed data and video together
  • Six USB ports including 10 Gbps Type-A and Type-C connect many peripherals
  • 5 GbE LAN with PXE boot and WoL adds fast wired networking
  • 100 W Power Delivery charges the host laptop while docked

USB4 40 Gbps docking station

The StarTech 155NAUSB4DOCK connects a laptop through a single USB-C port running at 40 Gbps. It adds two HDMI 2.1 outputs, six USB ports and a 2.5 GbE network jack. Up to 100 W of power delivery keeps the host charged while peripherals are active.

Suits users who need dual 4K 60 Hz displays

The dock delivers two 10 Gbps Type-A ports, two 5 Gbps Type-A ports, one 10 Gbps Type-C port and one 5 Gbps Type-C port. Buyers who require Thunderbolt-certified tunnels or more than two video outputs should look at a different device.

Dual HDMI 2.1 handles two 4K 60 Hz streams

The 40 Gbps upstream link carries both video pipes plus data for the six USB ports and the 2.5 GbE controller. Bandwidth remains sufficient for typical office peripherals and storage, but very high-speed RAID arrays or multiple 8 K displays would exceed the available headroom.

How it compares

Measured against everything we stock in USB-C & Laptop Docking Stations, at today’s prices. Recalculated every night.

Price $152.99
Pricier than about 69% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameStarTech
Model name155NA-USB4-DOCK
Part number155NA-USB4-DOCK
Product colorSpace Gray
Size & build
Shipping weight1.36 kg
Package size229 × 152 × 89 mm

Questions about this item

Does my laptop need a USB-C port that supports 40Gbps to use this dock?

Yes, the host cable requires a USB-C port capable of 40Gbps data and 100W power delivery to enable all dock features.

Will my existing HDMI 2.0 monitors run at 4K 60Hz when connected to the dual HDMI 2.1 ports?

The HDMI 2.1 ports are backward compatible and will drive HDMI 2.0 displays at their native 4K 60Hz limit without extra configuration.

How can I confirm the 2.5GbE link is active after I plug in the Ethernet cable?

Check the port LEDs on the dock; a solid or blinking amber light indicates a negotiated 2.5Gbps connection.

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