StarTech.com U2GA-USB-C-ETHERNET 2.5GbE USB-C to Ethernet Adapter with USB-A Converter - NBASE-T NIC - USB 3.2 Gen 1
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Product Features
Technical Overview
This adapter provides a robust technical foundation for multi-gigabit networking. The USB 3.2 Gen 1 Type-C host interface delivers up to 5Gbps bandwidth, fully supporting the adapter's 2.5Gbps Ethernet capability. The single RJ-45 port auto-negotiates between 10/100Mbps, 1Gbps, and 2.5Gbps speeds, ensuring optimal performance with any compatible network switch or router.
The Realtek RTL8156BG chipset enables enterprise-grade features including Wake-on-LAN (WoL), VLAN tagging, and bus-powered operation. The adapter's 6-inch attached cable provides convenient placement flexibility, and its Thunderbolt compatibility extends its usefulness to modern Apple and Windows systems with Thunderbolt ports.
Relevant factors for this section include Chipset Manufacturer, Chipset Model, Features, Host Interface. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This adapter delivers significant advantages over standard gigabit adapters and wireless connections. The 2.5Gbps capability provides 2.5 times the throughput of traditional gigabit Ethernet, enabling faster file transfers, smoother video conferencing, and more responsive cloud synchronization.
Broad Compatibility
Auto-installs on Windows 7 and later, Linux LTS Kernel 4.19+, macOS, iOS, and ChromeOS. Works with Intel, AMD, ARM (Snapdragon), and Apple Silicon platforms.
- No drivers required for most OS
- Supports MacBooks and Chromebooks
- iPhone compatible via USB-C
Infrastructure Efficiency
Leverages existing Cat5e cabling for 2.5Gbps speeds, eliminating the need for costly Cat6A or fiber upgrades while extending the lifespan of current network infrastructure.
Deployment / Use Cases
This adapter is ideal for modern workplaces where reliable, high-speed wired connectivity enhances productivity. Its slim profile makes it perfect for hot-desking environments, conference rooms, and temporary workstations where consistent network performance is essential.
Content creators and professionals working with large media files benefit from the accelerated transfer speeds when accessing network storage. IT departments can use these adapters to retrofit older systems with modern networking capabilities, extending hardware lifecycle while improving security through wired connections.
Relevant factors for this section include Chipset Manufacturer, Chipset Model, Features, Host Interface. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Office & Remote Work
Provides stable, high-bandwidth connections for video conferencing, large file downloads, and cloud synchronization in shared or temporary workspaces.
System Upgrades
Enables 2.5G networking on laptops, tablets, and desktops that lack built-in multi-gigabit Ethernet, transforming them into high-performance network endpoints.
Physical Profile
The adapter features a compact desktop form factor measuring 0.60" (15.24 mm) in height and 0.80" (20.32 mm) in width. Its Space Gray color coordinates with professional computing equipment, while the lightweight design at 0.90 oz (25.51 g) ensures minimal desk footprint. The device is RoHS and WEEE compliant, meeting international environmental standards.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 0.60" (15.24 mm), 0.80" (20.32 mm), 0.90 oz (25.51 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 0.80" (20.32 mm)
- Height
- 0.60" (15.24 mm)
- Weight
- 0.90 oz (25.51 g)
What's in the Box
The package includes everything needed for immediate deployment.
Package contents include 2.5Gigabit Ethernet Adapter USB-A Converter, 2.5Gigabit Ethernet Adapter. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- Adds 2.5Gbps Ethernet via USB-C or USB-A port
- Works with existing Cat5e cables using NBASE-T technology
- Auto-installs on Windows, Linux, macOS, iOS, and ChromeOS
- Compatible with Intel, AMD, ARM, and Apple Silicon platforms
- Includes USB-A converter for legacy device support
- Realtek RTL8156BG chipset with PXE and Jumbo Frames support
- Compact desktop form factor in Space Gray
- 2-year limited warranty with RoHS/WEEE compliance
- Thunderbolt compatible for modern systems
- Bus-powered design requires no external power
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | U2GA-USB-C-ETHERNET |
| Brand Name | StarTech.com |
| Product Name | 2.5Gigabit Ethernet Adapter |
| Packaged Quantity | 1 |
| Product Type | 2.5Gigabit Ethernet Adapter |
| Technical Information | |
| Chipset Manufacturer | Realtek |
| Chipset Model | RTL8156BG |
| Features | PXE Support,Jumbo Frames Support |
| Interfaces/Ports | |
| Host Interface | USB 3.2 (Gen 1) Type C |
| Total Number of Ports | 1 |
| Number of Network (RJ-45) Ports | 1 |
| Media & Performance | |
| Media Type Supported | Twisted Pair |
| Maximum Data Transfer Rate | 2.50 Gbit/s |
| Network & Communication | |
| Network Technology | 2.5GBase-T |
| Physical Characteristics | |
| Color Family | Gray |
| Product Color | Space Gray |
| Form Factor | Desktop |
| Height | 0.60" (15.24 mm) |
| Width | 0.80" (20.32 mm) |
| Weight (Approximate) | 0.90 oz (25.51 g) |
| Miscellaneous | |
| Package Contents | 2.5Gigabit Ethernet Adapter USB-A Converter |
| Device Supported | Notebook,Desktop Computer,Tablet |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What devices are compatible with this 2.5GbE USB-C adapter?
The adapter works with notebooks, desktop computers, tablets, and smartphones that have USB-C or USB-A ports. It's compatible with hardware platforms including Intel, AMD, ARM (Snapdragon), and Apple Silicon systems. The included USB-A converter extends compatibility to devices with traditional USB-A ports.
What operating systems does this adapter support?
The adapter auto-installs on Windows 7 and later versions, Linux LTS Kernel 4.19+, macOS, iOS, and ChromeOS. Most modern operating systems recognize the device without requiring additional drivers, though specific features like Jumbo Frames are not supported in macOS.
What type of network cable do I need for 2.5Gbps speeds?
The adapter supports 2.5Gbps speeds over existing Cat5e cables using NBASE-T technology. You don't need to upgrade to Cat6A or fiber cables to achieve the full 2.5Gbps performance, making this an economical upgrade for existing network infrastructure.
Does this adapter require external power?
No, the adapter is bus-powered, drawing power directly from the host device's USB port. This eliminates the need for external power adapters or cables, making deployment simpler and more portable.
What networking features does the Realtek chipset provide?
The Realtek RTL8156BG chipset enables PXE boot support for network-based operating system installation, Jumbo Frames for improved large packet performance, Wake-on-LAN for remote system activation, and VLAN tagging for network segmentation. These enterprise features make the adapter suitable for professional environments.
Can I use this adapter with Thunderbolt ports?
Yes, the adapter is Thunderbolt compatible and works with systems that have Thunderbolt ports. This includes modern Apple MacBooks and Windows laptops with Thunderbolt connectivity, providing flexible deployment options across different hardware platforms.