D-Link product

D-Link DUB-E255 USB-C to 2.5Gbps Ethernet Adapter

A plug-and-play USB-C network adapter that adds wired 2.5Gbps Ethernet connectivity, USB Power Delivery support up to 100W, automatic speed detection and two LED indicators.

2.5Gbps Ethernet

Adds multi-Gigabit wired networking to a compatible desktop or laptop.

USB-C and Thunderbolt support

Connects through compatible USB-C and Thunderbolt 3 or 4 interfaces.

Up to 100W Power Delivery

Supports the stated USB Power Delivery capability.

Add multi-Gigabit networking

The DUB-E255 connects a compatible desktop or laptop directly to 2.5Gbps Ethernet through USB-C.

Flexible host connection

USB-C and Thunderbolt 3 and 4 connector support are included in the supplied feature list.

Multiple Ethernet speeds

Automatic speed detection and backwards compatibility with 10Mbps, 100Mbps and 1000Mbps Ethernet are stated.

Driver-free platform support

Plug-and-play operation requires no driver installation, with macOS, Windows XP through Windows 11, iPadOS and Android listed.

Buy with confidence from DeviceDeal

DeviceDeal is an authorised D-Link reseller. This product is supplied with the stated one-year D-Link manufacturer warranty.

Frequently asked questions

What maximum Ethernet speed is supported?

The adapter supports 2.5Gbps Ethernet connectivity.

Which host connector is used?

It uses a USB-C connector.

Does it support Thunderbolt hosts?

Yes. Thunderbolt 3 and Thunderbolt 4 compatibility is stated.

Does it support USB Power Delivery?

Yes. Power Delivery support up to 100W is listed.

Does it detect network speed automatically?

Yes. Automatic speed detection is included.

Which slower Ethernet speeds are supported?

Backwards compatibility with 10Mbps, 100Mbps and 1000Mbps is stated.

Are status indicators provided?

Yes. Two LED indicators are included.

Is driver installation required?

No. Plug-and-play operation without driver installation is stated.

Which operating systems are supported?

macOS, Windows XP/Vista/7/8/10/11, iPadOS and Android are listed.

What warranty is supplied?

A one-year D-Link manufacturer warranty is stated.

(DUB-E255)

D-Link DUB-E255 USB-C to 2.5Gbps Ethernet Adapter features

2.5Gbps wired networking

Adds multi-Gigabit Ethernet to a compatible computer.

100W Power Delivery support

Provides the stated USB PD capability.

Multi-speed Ethernet

Automatically supports compatible 2.5G, Gigabit and 10/100Mbps links.

Cross-platform plug and play

Works with the listed desktop and mobile operating systems.

Confirm USB-C or Thunderbolt host support, 2.5Gbps network capability, Power Delivery requirements and operating-system compatibility before use.

D-Link DUB-E255 USB-C to 2.5Gbps Ethernet Adapter specifications

Product details

Model	DUB-E255
Product type	USB-C to multi-Gigabit Ethernet adapter
Host interface	USB-C
Thunderbolt support	Thunderbolt 3 / 4
Maximum Ethernet speed	2.5Gbps
Backwards compatibility	10/100/1000Mbps Ethernet
Power Delivery	Up to 100W
Automatic speed detection	Yes
LED indicators	2
Driver installation	Not required
Operating-system support	macOS / Windows XP, Vista, 7, 8, 10, 11 / iPadOS / Android