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Compact USB 3.0 Gigabit Ethernet adapter with RJ45 port

SMUGDESK

SMUGDESK USB 3.0 Gigabit Ethernet Adapter RJ45 10/100/1000Mbps network connector

SKU CH-63PJ-FW5Q0

Adds a Gigabit Ethernet port via USB 3.0 for stable wired networking at 10, 100 or 1000Mbps

  • Full gigabit wired speed via USB 3.0
  • Auto-negotiates 10/100/1000 Mbps for any network
  • Driver-free setup on Windows, macOS, Switch and Surface
  • Replaces missing or broken built-in Ethernet ports
  • Compact, lightweight design for office and travel use

Portable USB 3.0 Gigabit Ethernet Adapter

This SMUGDESK adapter adds a wired RJ45 network port to any device with a free USB 3.0 socket. It auto-negotiates at 10, 100 or 1000Mbps for a stable, low-latency link that outperforms typical Wi-Fi. The compact, driver-free design suits laptops, ultrabooks, mini PCs, Surface Pro tablets and the Nintendo Switch. It solves missing or damaged onboard Ethernet ports without occupying much desk space.

Ideal for wired reliability on port-less devices

Users who need consistent throughput for gaming, 4K streaming, large transfers or remote work gain immediate benefit. Devices already equipped with a working gigabit RJ45 jack do not need this adapter. Buyers whose only free ports are USB 2.0 will not reach the 1000Mbps ceiling because the bus limits speed. Anyone requiring multi-gigabit rates beyond 1000Mbps must select a different product class.

USB 3.0 interface enables full 1000Mbps operation

The adapter relies on a USB 3.0 host connection to deliver the advertised gigabit rate; on USB 2.0 ports the maximum throughput drops to the bus limit. Auto-sensing 10/100/1000Mbps switching handles legacy and modern networks alike. The standard RJ45 female port accepts Cat5e, Cat6 and Cat6a cables for typical home and office wiring. No external power supply is required.

Highlights

  • Full gigabit wired speed via USB 3.0
  • Auto-negotiates 10/100/1000 Mbps for any network
  • Driver-free setup on Windows, macOS, Switch and Surface
  • Replaces missing or broken built-in Ethernet ports
  • Compact, lightweight design for office and travel use

Specifications

No published specifications for this item yet.

Questions about this item

What wired speeds can I actually get from the 10/100/1000Mbps rating on this adapter?

The adapter auto-negotiates at 10Mbps, 100Mbps or 1000Mbps depending on your router and cable, giving full gigabit throughput when the link supports it.

Does the USB 3.0 port limit the gigabit connection in any way?

USB 3.0 provides enough bandwidth for the full 1000Mbps Ethernet link, so the wired speed is not capped by the interface.

What do I need on the other end of the cable to plug this in?

A standard RJ45 Ethernet cable — Cat5e, Cat6 or Cat6a — connects the adapter to your router, switch or wall port.

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