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UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)
UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)
UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)
UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)
UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)
UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)
UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)
UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)
UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)

At a glance

Host connector
USB-A 3.0
Dimensions
6.2 × 2.6 × 1.6 cm
Controller
Realtek RTL8156BG
Network connector
RJ45

In the box

  • UGREEN CM648 USB 3.0 to 2.5GbE adapter
  • Product documentation
UGREEN logoModel 25051

UGREEN 25051 USB 3.0 to 2.5GbE Ethernet Adapter (CM648)

₹2,423 Incl. GST MRP ₹4,442 45% below MRP

₹2,053 + 18% GST

At a glance

Host connector
USB-A 3.0
Dimensions
6.2 × 2.6 × 1.6 cm
Controller
Realtek RTL8156BG
Network connector
RJ45

Gives a laptop or PC a 2.5 Gbps wired network port through USB-A, for faster transfers on a 2.5G network. USB 3.0 adapter with a Realtek RTL8156BG controller, linking at 2500, 1000, 100 or 10 Mbps, in an aluminium housing.

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Ask for helpCompatibility, sizing and what else you need.

Overview

The UGREEN CM648 (25051) gives a laptop or PC a 2.5 Gbps wired network port through USB-A 3.0, for faster transfers to a NAS (network-attached storage) or server on a 2.5G network. It uses the Realtek RTL8156BG controller, links at 2500, 1000, 100 or 10 Mbps to match the network, and comes in an aluminium housing on a short 15 cm lead.

Is it right for you?

  • Suits a computer on a network with 2.5G switch or router ports, for faster transfers than Gigabit allows.
  • Also works on an ordinary Gigabit network, at 1 Gbps.
  • Needs a USB-A 3.0 port; a USB 2.0 port or a Gigabit-only switch will not give 2.5 Gbps.
  • If your laptop only has USB-C, choose a USB-C adapter: this one has a USB-A plug.

Key features

  • One RJ45 port auto-negotiating 2500, 1000, 100 or 10 Mbps.
  • Realtek RTL8156BG controller.
  • USB-A 3.0 host connection on an integrated 15 cm TPE lead.
  • Aluminium housing.
  • Official drivers for Windows, macOS and Linux families, version-dependent.

What else you need

  • A computer with a free USB-A 3.0 port and an Ethernet cable: qualified Cat5e can carry 2.5GBASE-T, and Cat6 is recommended.
  • A 2.5G-capable switch, router or NAS port at the other end for the full speed.

Installation

Plug it into a USB-A 3.0 port, connect the network cable and install the driver for your operating system if it is not already present.

Software and licences

Drivers are available for Windows, macOS and Linux, depending on version. Selected Android devices with OTG (USB On-The-Go) may work, device-dependent.

Before you buy

  • It cannot make a Gigabit-only switch, router, NAS or a USB 2.0 host run at 2.5 Gbps.
  • No charging, USB pass-through or video, and no USB-C connector.
  • It does not supply or receive PoE (Power over Ethernet).
  • A 2.5 Gbps negotiated link does not guarantee 2.5 Gbps application throughput.
  • It is not a modem, router, Wi-Fi adapter or network switch.
  • Retail bundles can vary; Ethernet cables, routers, chargers and host adapters are not included.

Technical specifications

Key facts

What is it?
Network adapterBrand UGREEN, model 25051
Does it support PoE?
No
What comes in the box?
UGREEN CM648 USB 3.0 to 2.5GbE adapter; Product documentation
Which documents are available?
Online specifications, driver Open documents

RelatedDocumentsAll UGREEN documents

Brand / model
UGREEN CM648 / SKU 25051
Product type
USB-A to RJ45 2.5GbE adapter
Controller
Realtek RTL8156BG
Host connector
USB-A 3.0
Network connector
RJ45
Link modes
10 / 100 / 1000 / 2500 Mbps
Integrated lead
Approximately 15 cm TPE cable
Housing
Aluminium
Net weight
Approximately 37g
Cabling
Qualified Cat5e possible for 2.5GBASE-T; Cat6 recommended
Driver families
Windows / macOS / Linux, version-dependent
Mobile note
Selected Android OTG devices only; device-dependent
PoE / charging / video
Not supported
Dimensions
6.2 × 2.6 × 1.6 cm
USB version
USB 3.0
Connector type
Ethernet
Weight
60 g
Country of origin
China
Manufacturer
UGREEN Group Limited
Warranty
Manufacturer warranty under UGREEN's terms. How claims work
Product attributes and shipping details
Brand

UGREEN

Downloads

Download software

  • UGREEN driver: 25051PublicRecommendednot stated on page (see package)Prerequisites: Search the page by model number; Driver only needed if the OS does not install one automatically; download from the UGREEN pageLicence: FreeDriver · Family · ugreen.com
    View official download page

Documentation

  • UGREEN 25051 product pagePublicOnline specifications · This model · uk.ugreen.com
    View official page

Series documents can differ from your exact model. Report a wrong or missing file

Questions about this product

Will it work on my Gigabit network?

Yes, at 1 Gbps. The 2.5 Gbps link needs a 2.5G-capable port at the other end.

Which cable do I need for 2.5 Gbps?

Qualified Cat5e can carry 2.5GBASE-T; Cat6 is recommended.

Does it need a driver?

Drivers are available for Windows, macOS and Linux, depending on version; install one if your system does not recognise it.

Does it have a USB-C plug?

No. It has a USB-A 3.0 plug on a 15 cm lead.

Ask about this modelSetup, compatibility, what is in the box
Downloads

Answers are automated. Do not enter personal or account details.

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₹2,423incl. GST