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Compact USB 3.0 to RJ45 Gigabit Ethernet adapter with matte finish

SMUGDESK

SMUGDESK USB 3.0 to Gigabit Ethernet RJ45 LAN Network Adapter

SKU CH-EY45-KW27A

Adds a gigabit RJ45 port to any USB 3.0 device for stable 10/100/1000Mbps wired networking on Windows, Linux or Mac OS

  • Gigabit wired speeds up to 1000Mbps for fast file transfers
  • USB 3.0 interface delivers stable connection on devices without RJ45 port
  • Works with Windows, Linux and Mac OS without extra drivers
  • Plug-and-play setup gets you online in seconds on laptops and desktops
  • Compact lightweight design fits in a bag for travel or office use

USB 3.0 to Gigabit Ethernet Adapter

This USB 3.0 to Gigabit Ethernet adapter adds a wired RJ45 network port to devices that lack one. It suits thin laptops, MacBooks and mini PCs needing reliable connectivity. The adapter supports 10/100/1000Mbps auto-adaptive speeds for stable internet access. Broad compatibility covers Windows, Linux and Mac OS systems with plug-and-play simplicity.

Thermals noise and power draw

The compact lightweight body runs without active cooling, so it adds no audible noise to a workspace. Power is drawn directly from the host USB 3.0 port, requiring no external supply. Low power consumption suits mobile use on battery-powered laptops. Normal operation stays cool during extended file transfers or streaming sessions.

Build quality and daily connectors

A short integrated cable ends in a standard RJ45 jack that clicks securely into wall ports or switches. The USB 3.0 plug fits tightly to prevent accidental disconnects during travel. Mini portable size slips into a laptop sleeve or pocket for business trips. Durable housing withstands frequent plugging and unplugging in office or home environments.

How it compares

Measured against everything we stock in Network Adapters & RJ45 Plugs, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 75% of the 1,221 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I install the USB 3.0 to Gigabit Ethernet adapter, and what step do people often miss?

Plug the adapter into a USB 3.0 port, connect an RJ45 cable, then verify the link lights show 1000Mbps — many users leave it in a USB 2.0 port and only get 100Mbps.

What maintenance or replacement will this network adapter need later?

No scheduled maintenance is required; replace the unit only if the USB connector wears out or the RJ45 port becomes loose after repeated insertions.

What limit appears first when I push sustained throughput on this adapter?

The USB 3.0 interface caps real-world throughput below the 1000Mbps line rate, so prolonged large-file transfers hit the bus limit before the Ethernet PHY does.

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