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EFB-Elektronik USB 3.2 2.5 Gigabit Network Adapter, USB-C Plug to RJ45 Socket, 0.15 m Cable, Black

Brand:
EFB
EFB USB-C to RJ45 2.5 Gigabit Network Adapter, 0.15 m
EFB-Elektronik USB 3.2 2.5 Gigabit Network Adapter, USB-C Plug to RJ45 Socket, 0.15 m Cable, Black
€35.03 inc. VAT
Buy
EBUSBC-RJ45-2500MBIT
€29.44 €32.71
€35.03 inc. VAT
Ships from EU stock: 11 item(s)
Product Code
CQ17114
EAN Code
4049759271947
Manufacturer
EFB

Quick Specs

Type
USB-C 2.5GbE network adapter
Connectors / Interface
USB-C plug · RJ45 socket
Key spec
2.5G/1G/100M/10M · USB 3.2
Compatibility
Laptops and PCs with USB-C
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EFB-Elektronik USB-C to RJ45 2.5 Gigabit Network Adapter

2.5GbE RJ45USB-C (USB 3.2)0.15 m cableBus powered

The EFB-Elektronik EBUSBC-RJ45-2500MBIT is a USB 3.2 network adapter with a USB-C plug and an RJ45 socket on a short 0.15 m cable, adding a 2.5 Gigabit wired Ethernet port to laptops, tablets and mini PCs with USB-C.

It auto-negotiates 2.5 Gbps, 1 Gbps, 100 Mbps and 10 Mbps in full duplex, supports Wake-on-LAN and automatic crossover detection, and is powered entirely from the USB port.

Before you order: EFB's published OS list covers Windows XP to Windows 10 and Mac OS X 10.6 to 10.12. For Windows 11, current macOS or Linux, ask us to confirm before ordering.

What's in the Box

  • 1x EFB-Elektronik USB-C to RJ45 2.5 Gigabit adapter with integrated 0.15 m cable
  • No network cable included

What It Means in Practice

  • On a 2.5GbE switch or NAS, file transfers run up to 2.5x faster than on a Gigabit adapter.
  • A short flexible cable keeps strain off the laptop's USB-C port compared with rigid dongles.
  • Hot-swappable and bus powered — plug in and go, no power supply.
  • Automatic crossover detection means any standard patch cable works, straight or crossed.

What Will Not Work

  • It will not connect to USB-A ports without a separate adapter.
  • It will not exceed 1 Gb/s on a Gigabit-only switch or router port.
  • Windows 11 and Linux are not in EFB's published OS list — check with us first.
  • PXE boot and MAC address pass-through are not listed by EFB.

Key Features

 
2.5GBASE-T
Up to 2.5 Gb/s over standard RJ45 cabling, backward compatible with 1G/100M/10M.
 
USB 3.2 host link
High-speed USB link so the adapter is not the bottleneck at 2.5 Gb/s.
 
Wake-on-LAN
Wake the computer over the network where the host supports it.
 
Plug and play
Hot-swap, bus powered, with automatic crossover detection and correction.

Technical Specifications

Identification
Part Number EBUSBC-RJ45-2500MBIT
EAN/GTIN 4049759271947
Brand EFB-Elektronik
Model USB 3.2 2.5 Gbit network adapter
Network
Port 1x RJ45 socket
Speeds 2.5 Gbps, 1 Gbps, 100 Mbps, 10 Mbps, full duplex, auto-negotiation
Features Wake-on-LAN, auto crossover detection and correction, plug and play, hot swap
Physical
Host connector USB Type-C plug (USB 3.2)
Cable length 0.15 m
Power USB bus powered
Colour Black
OS support (as listed by EFB) Windows XP, Vista, 7, 8, 10; Mac OS X 10.6 to 10.12
Warranty
Warranty 1-Year Warranty (Singular)
Manufacturer Term Term not stated on EFB-Elektronik's product page — all claims handled through Singular

Frequently Asked Questions

Does it work with a Thunderbolt port?
USB-C Thunderbolt 3/4 ports also accept USB 3.x devices, so the adapter can be used there.
Do I need Cat6 cable for 2.5GbE?
No, 2.5GbE is designed for Cat5e and better.
Will it work with my MacBook?
EFB lists Mac OS X up to 10.12. For a current macOS version, send us the model and OS and we will check before you order.
Singular Expert Insight · Buyer's Guide
This EFB adapter is a compact way to give a USB-C laptop a 2.5GbE wired port, with a short cable that is kind to the port. Check the OS list against your laptop first, and make sure the switch side is 2.5GbE — we can supply one of our 2.5GbE switches if needed.
✓ Buy it if you need a 2.5GbE wired port on a USB-C laptop running a supported OS.
✕ Skip it if you need PXE boot, MAC pass-through or Windows 11/Linux certainty.
→ Also consider the LevelOne USB-0423 2-in-1 adapter for USB-C and USB-A machines with a broader OS list.
Not sure it suits your laptop? Send us the model and operating system and we will check before you order.

Features - EFB - EBUSBC-RJ45-2500MBIT

Colour
black
Interface
  • USB3.2,
  • USB Type-C,
  • Ethernet
More Details
Product Code
CQ17114
EAN Code
4049759271947
Manufacturer
EFB
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