
StarTech.com USB C to Ethernet Adapter USB 3.2 Gen 1 Gigabit C21GA-USB-ETHERNET
The StarTech.com C21GA-USB-ETHERNET adapter provides essential Gigabit Ethernet network connectivity to laptops and desktops via a versatile USB Type-C or Type-A port, supporting speeds up to 1000 Mbps for critical data transfers.
- Universal Connectivity: Features both USB Type-C and Type-A host interfaces, ensuring broad compatibility with modern and legacy devices for flexible deployment.
- Gigabit Performance: Delivers 10/100/1000 Mbps Ethernet speeds, enabling rapid data transfers and stable network access for demanding business applications.
- Enhanced Network Control: Supports VLAN tagging and Jumbo Frames up to 9000 bytes, optimizing network traffic management and efficiency for large data packets.
- Remote Management Ready: Includes Wake-on-LAN (WoL) functionality, allowing IT teams to remotely power on devices for maintenance and updates, reducing on-site visits.
Product Overview
Product Overview
The StarTech.com C21GA-USB-ETHERNET is a versatile USB 3.2 Gen 1 adapter designed to add a Gigabit Ethernet port to any laptop or desktop, supporting data rates of 10, 100, and 1000 Mbps. It features a unique dual host interface, offering both USB Type-C and an integrated USB Type-A dongle for universal compatibility.
Engineered with a Realtek RTL8153B chipset, this adapter supports advanced network features like VLAN tagging and Jumbo Frames up to 9000 bytes, enhancing network efficiency and security. Its USB-powered design simplifies deployment, making it an ideal solution for expanding network access without additional power requirements.
- Broad Device Compatibility: Connects to a wide range of laptops and desktops via USB Type-C or Type-A, ensuring seamless integration with existing hardware infrastructure.
- Reliable Gigabit Speeds: Provides stable 1000 Mbps Ethernet connectivity, crucial for uninterrupted data transfers and high-bandwidth business applications.
- Efficient Network Management: Features VLAN tagging and Jumbo Frame support, enabling IT administrators to segment networks and optimize data flow for improved performance.
- Remote System Control: Incorporates Wake-on-LAN (WoL) to allow remote power-up of devices, facilitating off-hours maintenance and reducing IT support costs.
- Durable Construction: Built with a robust plastic housing and a high Mean Time Between Failures (MTBF) of 1969065 hours, ensuring long-term operational reliability and reduced replacement cycles.
This adapter is an indispensable accessory for maintaining robust wired network connectivity across diverse computing environments, ensuring operational continuity and efficiency.
Technical Specifications
1Performance & Business Impact
2Connectivity & I/O
3Physical & Environmental
4Lifecycle, Warranty & Compliance
Full Specifications
Network12
Ports & interfaces6
Power1
Weight & dimensions4
Design6
System requirements1
Operational conditions1
Packaging data1
Logistics data1
Other features1
Downloads1
What This Solves
Reliable Wired Network Access
Many modern laptops and ultrabooks are designed without an integrated Ethernet port, limiting them to Wi-Fi connectivity. This adapter provides a stable Gigabit Ethernet connection, ensuring uninterrupted access to critical business applications and resources.
Remote workers, field technicians, temporary office setups, conference rooms
Enhanced Network Performance
For tasks requiring high bandwidth or low latency, such as large file transfers, video conferencing, or accessing network-attached storage, Wi-Fi can be insufficient. The adapter delivers 1000 Mbps wired speeds, optimizing data flow and improving productivity for data-intensive operations.
Design firms, media production teams, data analytics departments, IT operations centers
Flexible Device Integration
Organizations often operate with a mix of newer USB-C and older USB-A devices, creating compatibility challenges for accessories. With its dual USB Type-C and Type-A host interfaces, this adapter ensures broad compatibility across diverse hardware fleets, simplifying IT procurement and deployment.
Key Features
USB 3.2 Gen 1 Host Interface
Ensures high-speed data transfer capabilities up to 5 Gbps, supporting the full Gigabit Ethernet throughput for efficient network operations.
Gigabit Ethernet (10/100/1000 Mbps)
Provides stable, high-speed wired network connectivity, essential for business-critical applications and large data transfers without interruption.
Dual USB Type-C and Type-A Connectivity
Offers universal compatibility with a wide range of laptops and desktops, maximizing device flexibility and reducing the need for multiple adapters.
Wake-on-LAN (WoL) Support
Enables remote power-up of devices, allowing IT administrators to perform maintenance and updates outside business hours, minimizing user disruption.
VLAN Tagging & Jumbo Frame Support (9000 bytes)
Facilitates advanced network segmentation and optimizes data packet efficiency, enhancing network security and performance for managed environments.
Compatible With
Modern Laptops & Ultrabooks
Dell XPS, Lenovo ThinkPad, HP EliteBook, Apple MacBook, Microsoft Surface
Desktop PCs & Workstations
HP ProDesk, Dell OptiPlex, Lenovo ThinkCentre, custom-built systems
Network Infrastructure
Ethernet switches, routers, patch panels, network attached storage (NAS)
Operating Systems
Windows 10/11, macOS (El Capitan to Sonoma), various Linux distributions
Frequently Asked Questions
What operating systems are compatible with this adapter?
This adapter is broadly compatible with Windows 10, Windows 11, Windows 7, Windows 8, and Windows 8.1, as well as Mac OS X versions from El Capitan to Sonoma, and various Linux distributions, ensuring wide-ranging support for business environments.
Does this adapter require an external power source?
No, the StarTech.com C21GA-USB-ETHERNET adapter is USB powered, drawing all necessary power directly from the host device's USB port. This simplifies deployment and eliminates the need for an additional power adapter.
Can this adapter be used with both USB-C and older USB-A ports?
Yes, this adapter features a unique design with both a USB Type-C connector and an an integrated USB Type-A dongle, allowing it to connect to either port type for maximum compatibility across different devices.
What is the maximum network speed this adapter supports?
The adapter supports Gigabit Ethernet speeds, providing data rates of 10, 100, and 1000 Mbps. This ensures fast and reliable wired network access for demanding business applications.
Warranty & Returns
Manufacturer Warranty
2 Years
Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.
Return Policy
Returns subject to manufacturer approval
Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.