StarTech.com
StarTech USB-C to GbE Ethernet Adapter, 10/100/1000Mbps, USB-A Dongle
Bottom line: The StarTech.com StarTech USB-C to GbE Ethernet Adapter is a specs-and-price decision rather than a crowd-consensus one in the retro networking cards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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Pros & Cons
Pros
- ✓ Backed by StarTech.com's warranty and support channels
Cons
- ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
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. 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…
SpecPicks Verdict
SpecPicks scored StarTech.com StarTech USB-C to GbE Ethernet Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the retro networking cards category. StarTech.com's retro networking cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for retro networking cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 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
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Space Gray |
| Connectivity | Wireless, USB-C |
| Model Number | C21GA-USB-ETHERNET |
| Compatibility | iOS, Mac, Linux |
| Built-In Media | 1 USB Ethernet Adapter |
| Connection Type | Wired |
| Mfr Part Number | C21GA-USB-ETHERNET |
| Number of Items | 1 |
| Compatible Devices | 2-in-1 devices, Desktop, Laptop |
| Data Link Protocol | IEEE 802.3i 10BASE-T, IEEE 802.3ab 1000BASE-T, IEEE 802.1q VLAN Tagging, IEEE 802.3x, IEEE 802.3u 100Base-TX |
| Data Transfer Rate | 5 gigabits_per_second |
| Hardware Interface | Ethernet, USB 3.2 Gen 1 |
| Warranty Description | 2-Year |
| Item Dimensions L x W x H | 13.9"L x 0.8"W x 0.6"H |
Ready to buy?
StarTech USB-C to GbE Ethernet Adapter, 10/100/1000Mbps, USB-A Dongle is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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