C2G CG39700 - The USB 3.0 to Gigabit Ethernet Network Adapter is the perfect solution for converting an existing USB 3.0 port to a Gigabit Ethernet port for connecting to a network or the Internet without replacing or adding a new network card. This adapter utilizes the high bandwidth of the USB 3.0 port to support true Gigabit Ethernet speeds. This flexible solution requires no external power supply, simply connect the adapter to an available USB 3.0 port, install the included software driver and connect a Cat5 cable from the adapter to an RJ45 Network port. With speeds up to 1000Mbps, file transfer between computers is fast and easy, even with large amounts of multimedia data. The adapter works on new computers that do not provide a wired Ethernet port or legacy computers which have a damaged Ethernet port. This adapter is a perfect accessory for Microsoft� Surface� products and other leading laptops. Connector 1: (1) USB 3.0 A Male Connector 2: (1) RJ-45 Female Features * Converts an existing USB 3.0 port to a Gigabit Ethernet port for connecting to a network or the Internet
C2G

CG39700

UPC: 757120397007

Contact for Pricing

Overview

The C2G USB 3.0 to Gigabit Ethernet Network Adapter (CG39700) delivers true Gigabit Ethernet speeds (up to 1000Mbps) by leveraging the high bandwidth of USB 3.0 ports, eliminating the need for internal network card upgrades or external power supplies. This compact, plug-and-play adapter is ideal for modern laptops, tablets, and legacy systems lacking Ethernet ports or with damaged RJ45 jacks. Simply connect the USB 3.0 A male end to an available USB 3.0 port, install the included driver, and link a Cat5 cable from the RJ45 female port to your network. The adapter supports full-duplex communication, enabling fast file transfers—even for large multimedia files—while maintaining compatibility with Microsoft Surface devices and other leading laptops. With no external power requirement, it’s a portable, cost-effective solution for home, office, or travel use. The adapter auto-detects network speeds (10/100/1000Base-T) and requires no additional hardware, making it a versatile choice for users needing reliable wired connectivity without internal modifications.
  • Converts USB 3.0 ports to Gigabit Ethernet (1000Mbps) for wired network connectivity
  • Plug-and-play design with no external power supply required
  • Supports auto-sensing network speeds (10/100/1000Base-T)
  • Compatible with Microsoft Surface and other leading laptops
  • Includes driver software for easy installation

Specifications

Connection Type
USB 3.0 A Male to RJ-45 Female
Material
Poly
Series
CG39700
Package Weight (Imperial)
0.18 lbs.
TK-PP30V030 RS232 communication cable

3BSC690109R1

TK-PP30V030 RS232 communication cable
7' CAT5e Patch- Blue

27251

7' CAT5e Patch- Blue
ENCODER ENCODER CABLE 14006350010

ENCCBLMS-10

ENCODER ENCODER CABLE 14006350010
Cable-tie-on pre-printed marker S yellow

1SET512114R0000

Cable-tie-on pre-printed marker S yellow
PG16, Multi-Hole Grommet, with 4 holes, 0.195

PG16-4X5

PG16, Multi-Hole Grommet, with 4 holes, 0.195
FL, 10-80 VDC 3-Hole

732-0001

FL, 10-80 VDC 3-Hole
HPE Aruba Networking BR-150 IP55 Kit

S3M48A

HPE Aruba Networking BR-150 IP55 Kit
JWA-2.4G-7dBi-NF-00

F00A4211000009

JWA-2.4G-7dBi-NF-00
Rack PDU 2G Metered by Outlet

AP8653

Rack PDU 2G Metered by Outlet
Industrial CopperLink PoE Line Power Local Extender; 1x 10/100; RJ45 Line; 100-240VAC

CL1101E/L/P/RJ45/EUI

Industrial CopperLink PoE Line Power Local Extender; 1x 10/100; RJ45 Line; 100-240VAC

Frequently Asked Questions about C2G

What is C2G's warranty policy?

C2G offers a lifetime warranty on all cables and a full one-year warranty on active devices and computer accessories. Warranties do not cover damage from misuse or consequential damage, and C2G's liability is limited to the product's purchase price.

What industries and applications are C2G products used for?

C2G products are used across multiple critical industries, including enterprise computing, networking, audio/video, PC and mobile solutions, and power management. Their connectivity solutions support data centers, networks, workspaces, and device connectivity for professional environments. Key application areas include enterprise networking, audio/video systems, computer peripherals, power infrastructure, and custom connectivity solutions for complex technical requirements.

What technical support does C2G offer?

C2G offers comprehensive technical support through multiple channels, including free live chat support available Monday to Friday from 8:30am to 22:30 UK time. Our technical experts are thoroughly trained on C2G products, have industry-recognized certifications, and provide support for all product lines including data networking, audio/video, PC solutions, and power solutions. Customers can access immediate assistance via live chat at www.c2g.com/uk/contact/customer-service, with after-hours questions automatically emailed and answered the next business day.

What are the main product lines offered by C2G?

C2G offers five primary product lines: Data Networking Solutions, Audio/Video Solutions, PC and Mobile Solutions, Power Solutions, and Custom Solutions. These comprehensive product lines cover enterprise connectivity needs, including fiber patch cables, network devices, audio/video cables, computer accessories, power cords, and tailored connectivity solutions for diverse industrial and technological applications.

What are the key features of C2G products?

C2G products feature simplified connectivity solutions across multiple technology domains including data networking, audio/video, PC & mobile, and power solutions. Key features include easy-to-use and easy-to-install designs, technical expertise, high-performance components, and compatibility with industry standards. With approximately 2,000 products ready to ship, C2G offers innovative solutions that meet diverse connectivity needs, using the latest technology and optimized for performance across enterprise, audio/video, and mobile applications.

What communication protocols do C2G products support?

C2G products support multiple industrial communication protocols, including Modbus TCP/IP, RAPIEnet, and EtherNet/IP. The products feature RJ45 connectors and enable flexible network configurations with support for ring, line, tree, and star topologies. Advanced features include automatic parameter scanning, fast data processing, and comprehensive diagnostic services.

What accessories are available for C2G products?

C2G offers a comprehensive range of accessories across multiple solution categories, including adapters, converters, cables, power cords, transceivers, and custom connectivity solutions. Key accessory lines include DisplayPort and Mini DisplayPort adapters, audio cables, XLR and TRS audio connectors, speaker wires, network cables, and power management accessories. With approximately 2,000 products available, C2G provides accessories for data networking, audio/video, PC and mobile, and power applications.

How are C2G products typically installed?

C2G products are designed for straightforward, easy installation across multiple solution categories including data networking, audio/video, PC & mobile, and power solutions. Our products feature simplified connectivity that enables quick setup by IT professionals and technicians, with comprehensive technical support available through our website, live chat, and expert support team. Most C2G connectivity solutions can be installed directly by plugging into standard network, audio/video, power, or computer interfaces without requiring specialized training.