The Ugreen 25051 USB-A to RJ45 2.5G Ethernet Adapter is a high-speed wired network solution designed to add reliable **2.5 Gbps Ethernet connectivity** to laptops, desktops, and other USB-A-equipped devices that lack a built-in LAN port. Featuring Plug & Play convenience and broad operating system compatibility, this compact adapter delivers **faster and more stable internet connections** than typical Wi-Fi — ideal for online gaming, 4K streaming, large file transfers, and professional productivity. Built with a durable aluminum alloy housing and LED status indicators for quick setup feedback, it’s a premium accessory for modern networking needs.
| Model | Ugreen 25051 USB-A to RJ45 2.5G Ethernet Adapter |
| Input Interface | USB-A 3.0 (backward compatible with USB 2.0/1.1) |
| Output Interface | RJ45 Ethernet Port |
| Network Speed | Supports auto-negotiation: 10/100/1000 Mbps and 2.5 Gbps |
| Ethernet Standards | IEEE 802.3 / 802.3u / 802.3ab / 802.3bz (2.5GBASE-T) |
| Chipset | Realtek RTL8156BG (or equivalent high-performance chipset) |
| OS Compatibility | Windows, macOS, Linux, ChromeOS (driver-free on many systems) |
| Plug & Play | Yes — no external drivers needed on supported systems |
| Housing Material | Aluminum alloy + ABS plastic |
| Cable Length | Approx. 10–15 cm |
| Warranty Terms: | 1-year warranty covered by 101 Multimedia. |
| Brand | |
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| Product Categories | Adapters |
| Interface Type | RJ45, USB-A |