We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Compact USB-C to 2.5 Gigabit Ethernet adapter with short cable

STARTECH

STARTECH US2GC30 USB 3.0 Type-C to 2.5 Gigabit Ethernet Adapter

SKU CH-0WSS-YAJ6F MPN US2GC30

Add 2.5 Gigabit Ethernet to a laptop through a USB 3.0 Type-C port with Realtek RTL8156 chipset and driver-free setup on Mac and Linux

  • Add 2.5 GbE wired access via a USB-C port
  • Harnesses USB 3.0 performance for full 2.5 Gigabit bandwidth
  • Realtek RTL8156 chipset gives native driver support for Mac OS and Linux
  • Windows auto-prompts driver download from the adapter with no Internet needed
  • Bus-powered design means no external power adapter to carry

USB-C 2.5GbE Adapter for Laptops

Add wired 2.5 Gigabit Ethernet to a laptop or desktop through an available USB-C port. The Realtek RTL8156 chipset delivers native driver support for macOS and Linux, while Windows systems automatically fetch the driver from the adapter itself. No external power supply is required because the device draws power directly from the host USB port.

Thermals Noise and Power Draw

The adapter is bus-powered from the USB 3.0 connection, so it adds no separate power brick or fan to the setup. In normal operation it runs silently with no moving parts and imposes only a modest load on the host port. Its compact enclosure dissipates heat passively during sustained 2.5GbE transfers.

Upgrade From 1GbE or Wireless

This adapter replaces a built-in 1 Gigabit Ethernet port or a Wi-Fi link when 2.5GbE infrastructure is available. The jump is worth it for users moving very large files across a 2.5GbE LAN who need the full bandwidth that USB 3.0 can provide. It is not for systems limited to USB 2.0 or networks that do not exceed 1GbE.

Highlights

  • Add 2.5 GbE wired access via a USB-C port
  • Harnesses USB 3.0 performance for full 2.5 Gigabit bandwidth
  • Realtek RTL8156 chipset gives native driver support for Mac OS and Linux
  • Windows auto-prompts driver download from the adapter with no Internet needed
  • Bus-powered design means no external power adapter to carry

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the US2GC30 and what step is often missed?

Plug the adapter into a USB 3.0 Type-C port and connect an Ethernet cable; on Windows without the driver the adapter prompts an automatic download from its built-in storage so no separate Internet connection is needed.

What maintenance or replacement will the US2GC30 need later?

The adapter has no moving parts or batteries; only the Ethernet cable may wear out and need replacing over time.

What limit appears first during sustained 2.5 Gbps transfers on the US2GC30?

The USB 3.0 host interface caps sustained throughput at its 5 Gbps signalling rate, so the 2.5 Gbps Ethernet link cannot exceed that bus ceiling.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.