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Overview

The UGREEN USB 3.0 to Gigabit Ethernet Adapter (model 20256) is a compact wired LAN converter that adds a stable wired network connection to any PC or laptop with a USB-A port. It supports speeds up to 1Gbps and uses a built-in Gigabit Ethernet controller (AX88179) for low-latency communication. Plug-and-play on Windows, macOS, and Linux without driver installation, this adapter is ideal for environments where Wi-Fi is unreliable or when a wired connection is required for security reasons.

Connectivity & Compatibility

This adapter is USB 3.0 (SuperSpeed) compliant and backward compatible with USB 2.0/1.1. It features an RJ45 female connector for standard LAN cables (straight or crossover). Supported operating systems include Windows 10/11, macOS (10.6 and later), Linux, and many others without extra driver installation. Some Linux distributions may not include the AX88179 driver by default, but drivers are available from the manufacturer's website.

Product Info

Launched around 2023, this adapter is positioned as an entry-level Gigabit Ethernet solution. Pricing typically ranges from $12 to $15 (global) or around ¥1,500–¥2,000 in Japan. The package includes the adapter and a quick-start guide. Warranty is standard 1 year, extendable via UGREEN's serial registration. Among the crowded USB-to-LAN adapter market, the UGREEN 20256 stands out for its affordable reliability and broad OS support.

Best Use Cases

Desktop PC users whose onboard LAN has failed can quickly restore wired connectivity via any USB 3.0 port. Bandwidth is sufficient for online gaming and large file transfers. Not suitable for users needing 2.5Gbps or higher speeds. Remote workers and frequent video conference attendees who suffer from unstable Wi-Fi will benefit from the low-latency wired connection. Plug-and-play simplicity means no IT support needed. However, if your laptop is USB-C only, budget for a USB-A adapter or choose a USB-C variant. * Raspberry Pi and single-board computer hobbyists can add wired Ethernet without soldering. Compatible with most models, but check community forums for known chipset conflicts before purchasing.

Things to Consider

While USB 3.0 provides up to 5Gbps of theoretical bandwidth, the adapter's controller is capped at 1Gbps. If your internet plan exceeds 1Gbps, opt for a 2.5Gbps adapter instead. Plugging into a USB 2.0 port will limit throughput to about 480Mbps. The adapter is USB-A only; modern thin laptops without USB-A may require a separate USB-C to USB-A adapter. The adapter body measures roughly 6cm—ample clearance is needed around adjacent ports. Also, the device is bus-powered, so it draws no external power but may be slightly warm to the touch under continuous load.

Product Disclosure (Amazon)

  • Manufacturer: POWERCOLOR
  • Seller: Reg shop
  • Fulfilled by: Reg shop
  • ASIN: B076F9KC7G
  • Note: This article covers a manufacturer-made product based on Amazon listing details.