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Product specifications

StarTech.com USB-C to Ethernet Adapter with USB-A Dongle, 10/100/1000Mbps, USB 3.0 to Gigabit Ethernet Network Adapter, 6in/15cm Attached Cable, USB GbE Adapter

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StarTech USB-C to Ethernet Adapter w/USB-A Dongle, 10/100/1000Mbps, USB GbE Adapter, 6in/15cm Attached Cable, Status LEDs

Part C21GA-USB-ETHERNET · UPC 065030907842

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  • USB-C NETWORK ADAPTER: Add an Ethernet port to a USB-C or USB-A computer supporting up to Gigabit speeds with auto-negotiation for 10/100/1000Mbps BASE-T Networks; RJ45 Network port features link status LEDs for easy troubleshooting and minimal downtime
  • THOUGHTFUL DESIGN: Attached 6in/15cm cable provides extended reach and improved flexibility, reducing strain on ports; USB-C connector with attached USB-C to USB-A dongle ensures compatibility with laptops, desktops, and 2-in-1 devices; USB Bus Powered
  • BROAD COMPATIBILITY: Auto-installs on most operating systems including Windows 7/up, Linux LTS Kernel 4.19+ and up, MacOS/iOS/ChromeOS; Works with MacBooks, Chromebooks and all hardware platforms, including Intel, AMD, ARM (Snapdragon) and Apple Silicon
  • APPLICATIONS: Ideal replacement for broken ethernet ports on laptops; Provides a wired connection that is faster and more secure than wireless for home, work and travel; Efficiently provision and maintain laptops with WoL and PXE
  • TECH SPECS: USB 3.2 Gen 1 Type-C (5Gbps); Backwards compatible with USB 3.0/2.0; 1x GbE RJ45 Port; 10/100/1000Mbps; Realtek RTL8153B; 9K Jumbo Frames; VLAN Tagging; Wake-on-LAN; PXE Boot support; Energy Efficient Ethernet (EEE); Thunderbolt Compatible

About this product

Add Gigabit Ethernet network connectivity to a Laptop or Desktop through a USB Type-C or A port

Add a Gigabit network port to your computer, using a USB Type-C connection. The RJ45 port supports multiple speeds (10/100/1000 Mbps) and is fully compatible with Cat5 (and higher) cabling. Share or receive files over a network, access network storage/backup, and stream online content while reducing wait times and slowdowns.

1 Gigabit Network Connection

This adapter supports both current and legacy Ethernet networks down to 10Mbps, making it ideal for providing a reliable network connection almost anywhere whether at home, work or while traveling. The USB-C host connector with attached USB-C to USB-A dongle offers compatibility with laptops, desktop computers, and 2-in-1's. The Realtek chipset is broadly supported on new and older laptops enabling PXE capabilities to aid IT departments with provisioning and maintaining systems along with Wake-on-LAN (WoL) support. The adapter provides a wired connection that is faster and more secure than wireless, making it ideal for IT professionals.

Plug and Play Device Configuration

Simply connect the network adapter to your computer's USB Type-C port. This USB-C to RJ45 adapter features VLAN tagging, 9K Jumbo Frames, Wake-on-LAN, Status LEDs and full-duplex Ethernet making it the perfect companion for on-the-go users who require a wired network connection.

Compact and Versatile Design

The USB Gigabit network adapter is light and compact. It features a built-in 6in (15cm) cable provides extended reach and improved flexibility, while reducing cable/connector strain. Additionally, USB bus power simplifies the setup and makes it a convenient accessory while on the move.

Enhance Productivity and Device Management with the StarTech Connectivity Tools Application

Developed to improve performance and security, StarTech Connectivity Tools is the only software suite on the market that works with a wide range of IT connectivity accessories. The software suite includes:

• MAC Address Pass-Through Utility : To improve network security.

• Wi-Fi Auto Switch Utility : Enabling users to quickly access faster network speeds via wired LAN.

Visit www.StarTech.com/Connectivity-Tools for more information and to download the StarTech Connectivity Tools.

Manufacturer warranty information

2 Years

Ports & interfaces

Connectivity technology
Wired
Host interface
USB Type-A/USB Type-C
Interface
Ethernet
Ethernet LAN (RJ-45) ports
1
USB connector form factor
Straight
USB version
3.2 Gen 1 (3.1 Gen 1)

Network

Maximum data transfer rate
5000 Mbit/s
Networking standards
IEEE 802.1Q, IEEE 802.3ab, IEEE 802.3i, IEEE 802.3u, IEEE 802.3x
Ethernet LAN
Yes
Ethernet interface type
Fast Ethernet, Gigabit Ethernet
Ethernet LAN data rates
10,100,1000 Mbit/s
Cabling technology
10/100/1000BaseT(X)
Wake-on-LAN ready
Yes
Auto MDIX IEEE
Yes
Full duplex
Yes
Jumbo frames support
Yes
Jumbo frames
9000
VLAN tagging
Yes

Design

Component for
PC/Laptop
Product colour
Grey
Internal
No
Chipset
Realtek RTL8153B
LED indicators
Activity, Speed
Mean time between failures (MTBF)
1969065 h

Power

USB powered
Yes

System requirements

Windows operating systems supported
Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 Enterprise, Windows 11 Enterprise x64, Windows 11 Home, Windows 11 Pro, Windows 11 x64, Windows 2000, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64
Mac operating systems supported
Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura, Mac OS X 14.0 Sonoma
Linux operating systems supported
Yes

Operational conditions

Operating temperature (T-T)
0 - 45 °C
Storage temperature (T-T)
-10 - 70 °C
Operating relative humidity (H-H)
10 - 85%

Weight & dimensions

Width
21.5 mm
Depth
353 mm
Height
15 mm
Weight
26 g

Packaging data

Package width
128 mm
Package depth
22 mm
Package height
15 mm
Package weight
35 g

Logistics data

Master (outer) case width
500 mm
Master (outer) case length
320 mm
Master (outer) case height
210 mm
Products per master (outer) case
250 pc(s)

Other features

Housing material
Plastic
Cable length
0.152 m

Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License

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