StarTech.com C21GA-USB-ETHERNET USB-C to Ethernet 6in Adapter

Struggling with unreliable Wi-Fi or slow uploads? The StarTech.com C21GA-USB-ETHERNET USB-C to Ethernet 6in Adapter gives you a reliable wired link by turning any USB-C or USB-A port into a Gigabit Ethernet connection, perfect for home offices, travel or cramped cafés where the wireless signal drops.

Benefits of StarTech.com Ethernet Adapter

You enjoy a stable, high-speed link that eliminates buffering and dropped calls, while the wired connection protects your data from interference. The plug-and-play design means no drivers or complex setup, so you can get online instantly. With Wake-on-LAN support, your PC can be powered up remotely, adding convenience for IT teams. The compact build keeps your bag light and the integrated 6-inch cable reduces strain on connectors, extending the adapter’s life.

Key Features of a 1Gbps Ethernet Adapter

• Interface (Bus) Type: USB-C 3.2 Gen 1. Provides fast USB bandwidth for the Ethernet link.
• Data Transfer Rate: 1Gbps. Delivers true Gigabit speeds for smooth streaming and large file transfers.
• Ports: 1 × 1000Base-T RJ-45 (female). Connects standard Cat5e or higher network cables.
• Compatibility: USB-C host with external USB-C-to-USB-A dongle. Works with laptops, desktops and 2-in-1 devices.
• Chipset: Realtek RTL8153B. Broad driver support across Windows, macOS, Linux and Chrome OS.
• Power: USB bus powered. No external power brick required, keeping your setup tidy.
• Features: Auto-negotiation, auto-MDI/MDI-X, full-duplex, VLAN tagging, 9K Jumbo Frames. Optimises network performance for demanding applications.
• Wake-on-LAN: Enabled. Allows remote wake-up of compatible PCs for IT management.
• Status LEDs: Visible indicators show link and activity, so you can confirm connectivity at a glance.
• Environmental Range: Operates from 32 °F to 113 °F, 10-85 % RH. Reliable performance in most office or travel conditions.

Usages of a 1Gbps Ethernet Adapter

A wired link is ideal when you need consistent performance:

• Home office desk for video calls and cloud backups.
• Hotel room or airport lounge where Wi-Fi is congested.
• On-site IT work to provision machines via PXE boot.
• Gaming laptop that requires low latency and stable ping.
• Remote learning setup where streaming lectures must be smooth.

StarTech.com Ethernet Adapter

Many buyers worry that a USB-C Ethernet dongle will be slow, require extra drivers or be fragile. Some also fear incompatibility with older devices or the need for a separate power source. This adapter removes those doubts: it supports speeds from 10 Mbps up to 1 Gbps, works with both USB-C and USB-A ports, and draws power directly from the host, so no extra cables are needed. The Realtek chipset guarantees driver availability across the major operating systems, and the built-in 6-inch cable reduces wear on the connector, giving you a durable solution for everyday and professional use.

Specifications