UGREEN USB 3.0 to Gigabit Ethernet Network Adapter CR111 Black

Modern ultrabooks and laptops often omit Ethernet ports to achieve slim profiles, leaving users stranded when Wi-Fi is weak or unavailable. The UGREEN USB 3.0 to Gigabit Ethernet Adapter CR111 restores a reliable wired connection through any USB port, ensuring stable internet for work, gaming, and streaming without internal upgrades.

Who is it for

Professionals needing dependable connectivity for video conferences and large transfers, gamers seeking lower latency and reduced packet loss, and anyone using a device without built-in Ethernet. Compatible with Windows, macOS, and Linux, it's ideal for mixed-device environments, whether at a hotel with spotty Wi-Fi, an office with wired network, or home near a router.

Main features

• USB 3.0 interface with transfer speeds up to 5 Gbps, backward compatible with USB 2.0.
• Supports Gigabit Ethernet (10/100/1000 Mbps) for high-speed wired networking.
• Plug-and-play installation on most operating systems; no drivers required for Windows 10/8.1/8, macOS, and Linux.
• Compact and lightweight design with durable black housing, perfect for travel and daily use.
• RJ45 port with link and activity LED indicators for easy status monitoring.
• Energy-efficient with support for IEEE 802.3az (Energy Efficient Ethernet).

Specifications

• Brand: UGREEN
• Model: CR111
• MPN: 6957303802005
• EAN: 6957303802005
• Colour: Black
• Form Factor: External Adapter
• Product Type: USB Ethernet Adapter
• Network Type: Ethernet
• Data Transfer Rate: 1 Gbps
• Connector Type: RJ45
• Host Interface: USB-A
• Ethernet LAN: Yes
• Ethernet LAN data rates: 10,100,1000 Mbit/s
• Ethernet LAN (RJ-45) ports: 1
• LED indicators: Link, Activity
• Connectivity technology: Wired
• Compatible operating systems: Windows 10/8.1/8, macOS, Linux

Tips

For optimal performance, connect the adapter directly to a USB 3.0 port and use a Cat5e or higher Ethernet cable. The LED indicators help diagnose connection issues: a solid link light means a network is detected, and blinking activity indicates data transfer.