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Black USB 2.0 to RJ45 Ethernet dongle with short cable tail

GCROWN

GCROWN USB 2.0 to Ethernet Adapter 10/100 Mbps Black

SKU CH-XXCP-EF89F

A USB 2.0 adapter adds a 10/100 Mbps Ethernet port to laptops or a Raspberry Pi 3, supporting PXE boot and MAC cloning

  • TypeEthernet Adapter
  • Adds wired 100 Mbps networking to laptops lacking an Ethernet port
  • Driver-free setup works on most computers without extra software
  • Weighs under 1 ounce with a short cable tail for easy portability
  • Supports PXE boot, Wake-on-LAN and MAC cloning for managed networks
  • LEDs show power, link and data activity at a glance

USB 2.0 Ethernet Adapter for 100 Mbps Networks

This USB 2.0 to Ethernet adapter adds a wired RJ45 port to laptops, desktops or a Raspberry Pi 3 that lack built-in Ethernet. It delivers a Fast Ethernet connection at up to 100 Mbps through a standard USB 2.0 interface. The compact dongle weighs very little and includes a short cable tail for flexible placement. It is a practical solution for restoring network access on older systems or devices without a dedicated LAN port.

Passive Cooling With Silent Operation

The adapter has no fan or active cooling components, so it runs completely silent during normal use. Power is drawn directly from the USB 2.0 bus, keeping consumption low and eliminating the need for an external power supply. Diagnostic LEDs on the housing show power, link and data activity at a glance. The aluminium casing helps dissipate the small amount of heat generated by the controller.

Plug-and-Play Fit for Tight Spaces

The short 6-inch cable tail lets the adapter sit close to the host device, reducing strain on the USB port and fitting easily alongside other peripherals. Driver-free installation works on most modern operating systems including Windows, while the Cable Matters utility enables MAC address cloning on Windows when required. Advanced features such as PXE boot, Wake-on-LAN and Auto-MDIX are supported in hardware. Buyers needing Gigabit speeds or multi-gigabit throughput should choose a USB 3.0 or PCIe alternative.

Highlights

  • Adds wired 100 Mbps networking to laptops lacking an Ethernet port
  • Driver-free setup works on most computers without extra software
  • Weighs under 1 ounce with a short cable tail for easy portability
  • Supports PXE boot, Wake-on-LAN and MAC cloning for managed networks
  • LEDs show power, link and data activity at a glance

Specifications

TypeEthernet Adapter

Questions about this item

How do I install the USB 2.0 to Ethernet adapter on a Raspberry Pi 3 and what step do people often miss?

Plug the adapter into a USB port and connect an RJ45 cable; the step often missed is enabling the Ethernet interface in the Pi's network settings if it does not activate automatically.

What maintenance or replacement will the adapter need over time?

The adapter has no moving parts or user-serviceable components; if the USB connector or cable tail becomes damaged, the whole unit must be replaced.

What is the first throughput limit reached during sustained transfers?

The 100 Mbps Fast Ethernet ceiling is reached before the USB 2.0 bus limit during sustained network traffic.

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