UGREEN USB-A 3.2 Gen 1 to 2.5G Ethernet Adapter, 2.5 Gbps RJ45 LAN, Aluminum, Space Gray, Plug & Play, Realtek RTL8156B, 10 cm Cable

Unlock 2.5 Gbps network speeds over existing Cat5e cabling with this USB-A 3.2 Gen 1 to 2.5G Ethernet Adapter. The Realtek RTL8156B chipset delivers a 2.5× performance boost over standard Gigabit Ethernet, making it perfect for 4K streaming, large file transfers, and lag-free gaming. Its compact aluminum housing efficiently dissipates heat, while the integrated 10 cm cable keeps your setup tidy.

Overview

Upgrade your network without replacing your router or cables. Simply plug this adapter into any USB-A port to instantly add a 2.5G Ethernet port to your laptop, desktop, or tablet. It supports the latest 2.5GBASE-T standard and is backward compatible with 1000BASE-T, 100BASE-TX, and 10BASE-T networks. The Realtek RTL8156B chipset ensures stable, driver-free operation on Windows, macOS, Linux, Chrome OS, and Android.

What stands out

• 2.5 Gbps data transfer rate – 2.5× faster than Gigabit Ethernet
• USB-A 3.2 Gen 1 interface with USB 2.0/1.1 backward compatibility
• Aluminum alloy housing for superior heat dissipation
• Plug & Play – no driver installation needed on most systems
• Supports Wake-on-LAN, Jumbo Frames up to 16K, Full Duplex, and Auto MDI/MDIX
• LED indicators for link status and activity

Technical details

• Host Interface: USB-A 3.2 Gen 1 (USB 3.0)
• Network Interface: RJ45 Ethernet Port
• Max Data Transfer Rate: 2.5 Gbps
• Ethernet Speed Compatibility: 2.5GBASE-T, 1000BASE-T, 100BASE-TX, 10BASE-T
• USB Backward Compatibility: USB 2.0, USB 1.1
• Network Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3bz
• Features: Wake-on-LAN (WoL), Jumbo Frames (up to 16K), Full Duplex, Half Duplex, Auto MDI/MDIX
• LED Indicators: Yes (Link/Activity)
• Integrated Cable Length: 10 cm
• Housing Material: Aluminum Alloy
• Operating System Support: Windows 11/10/8.1/8/7, macOS 10.7+, Linux, Chrome OS, Android
• Power Source: USB Bus-powered
• Color: Space Gray
• Plug & Play: Yes (Driver-free for Windows 10/11, macOS, Linux)
• Chipset: Realtek RTL8156B
• Certification: CE, FCC, RoHS

Our verdict

For users needing faster-than-Gigabit speeds without upgrading their entire infrastructure, this adapter is a compact, reliable solution. Its plug-and-play simplicity and broad OS support make it an effortless upgrade for any USB-A equipped device.