How does a 2.5G Ethernet Adapter work with my laptop?

April 22, 2021 2 min read

How does a 2.5G Ethernet Adapter work with my laptop?

(Take MacBook Pro 2020 as an example)
A 2.5G Ethernet Adapter is an Ethernet port that supports the following connection speeds:
  • 10 Mbps
  • 100 Mbps
  • 1 Gbps
  • 2.5 Gbps

The 2.5G Ethernet Adapter is backward compatible with standard 100 Mbps and Gigabit devices and supports 2.5 Gbps connections on legacy Category 5E (Cat5E) and Category 6 (Cat6) cables. This means that you take full experience of the capability of your high-performance network devices without upgrading your cables.



With a USB-C 2.5G multi-Gig ethernet adapter, you are able to connect a USB-C laptop, phone, or tablet (such as MacBook Pro, MacBook Air, Dell XPS, Samsung Galaxy S21, and so on) to a multi-Gigabit router/modem, to benefits from speed up to 2500 Mbps.



To connect your laptop (take MacBook Pro 2020 as an example) to the internet using Ethernet, you need to prepare: a USB-C 2.5G Ethernet Adapter, 1 (or 2 with a router) Cat 6 ethernet cable, a multi-Gigabit router/modem.



1. Make sure the modem/router is turned on and connected to the wall jack with the cable that came with the modem/router. *To reach 2.5G speed, please make sure your broadband plan support at least 2.5G data speed.


2. Use the 2.5G Ethernet Adapter to connect to your laptop's USB C port.


3. Use a Cat 6 Ethernet cable to connect the 2.5G Ethernet Adapter to the modem/router.


In many cases, you'll automatically connect to the internet.
If not, check your Ethernet service settings and set it well:
- For Mac systems, click here to check;

- For Windows systems, click here to check.

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