We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small white USB 3.0 dongle with RJ45 port and LED lights

SMUGDESK

SMUGDESK USB 3.0 to Gigabit Ethernet Adapter

SKU CH-E3DN-TF6DY

Adds a Gigabit RJ45 port to USB-A devices for stable wired internet on laptops, desktops and Nintendo Switch

  • Gigabit wired speeds up to 1000Mbps for stable streaming and gaming
  • USB 3.0 interface with backward compatibility to USB 2.0 and 1.1
  • Driver-free setup on Windows 10, 11, macOS and Chrome OS
  • Built-in LED indicators show link status and data activity instantly
  • Compact portable design adds RJ45 to thin laptops without native ethernet port

USB 3.0 Gigabit Adapter for Wired Internet

The SMUGDESK USB 3.0 to Gigabit Ethernet adapter adds a high-speed RJ45 LAN port to any USB-A device, delivering a more stable wired connection than Wi-Fi. It targets laptop, desktop and Nintendo Switch users who lack a built-in Ethernet port or need to replace a faulty one. The compact design draws power directly from the USB port, making it suitable for travel and office use. An Ethernet cable is not included in the package.

Plug-and-Play Setup with OS Exceptions

The adapter operates plug-and-play on Windows 11, 10, 8.1, 8, macOS and Chrome OS, while Windows 7, XP and Linux systems require a driver installation. Backward compatibility with USB 2.0 and 1.1 ensures broad device support, though the link speed will fall back to the slower host standard. Built-in green and yellow LED indicators display power and data-transfer status for quick troubleshooting. No external power supply is needed.

USB 3.0 Bandwidth and Network Limits

The USB 3.0 interface provides the pathway for 10, 100 and 1000 Mbps auto-negotiation, but actual throughput depends on the host controller, router, cable quality and internet service bandwidth. Latency improvements over wireless are typical for gaming and 4K streaming, yet the adapter cannot exceed the provisioned line speed or the USB port's own capability. Performance scales with the weakest link in the chain.

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).

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

How can I verify the adapter is working after plugging it in?

The green and yellow LED indicators will light up to show power and data transfer activity once a live Ethernet cable is connected.

What comes in the box and what must I buy separately?

The adapter itself is included; an Ethernet cable is not supplied and must be purchased separately.

Which version should I choose for a USB 3.0 laptop running Windows 11?

This single model uses a USB 3.0 interface that is backward compatible with USB 2.0 and 1.1, and works plug-and-play on Windows 11.

More in Network Adapters & RJ45 Plugs

Similar items