USB 2.0 Fast Ethernet Adapter


  • Complies with IEEE 802.3/802.3u standards
  • Complies with USB 2.0/1.1 specifications
  • Supports 10/100Mbps auto-negotiation
  • Low power consumption in idle mode and low traffic conditions
  • No external power adapter required
  • Supports Windows XP/Vista/7/8/8.1, Linux and Mac OS X 10.x

The Edimax EU-4208 is a compact USB Fast Ethernet adapter for an Ultrabook or Macbook Air with no Ethernet ports, or for desktop and notebooks that need an additional Fast Ethernet port. It’s an ideal portable accessory or replacement network adapter, and with full 10/100Mbps Fast Ethernet USB 2.0 performance, it’s faster than most wireless connections. Connect to a 10/100Mbps network from a USB enabled desktop or notebook, save costs and replace an old or broken internal network card, or use it as an additional network interface for high-speed peer-to-peer file sharing. No external power adapter is required and the green, energy-saving design minimizes power usage when the device is idle.


Ideal for Ultrabooks

Designed to give Fast Ethernet connectivity to your Ultrabook, Macbook Air or any computer without an Ethernet port. Simply plug the adapter into a USB 2.0 port and instantly utilize a stable 10/100Mbps Ethernet connection. The EU-4208 is also a quick and convenient way to add Ethernet connectivity to a desktop computer without the hassle of internal installation. It’s backward compatible with USB 1.1 and works with Microsoft Windows XP/Vista/7/8/8.1, Linux and Mac OS X 10.x.

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USB 2.0 for Full 10/100Mbps Ethernet Performance

Compared to USB 1.1 adapters which only offer 12Mbps transmission speeds, the EU-4208 is designed with the USB 2.0 standard which supports data transfer speeds up to 480Mbps, ensuring full 10/100Mbps Ethernet performance without any compromise.

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Compact Design & Power over USB

The Edimax EU-4208 features a compact design, making it easy to use in a crowded workspace. And with power over USB support, the EU-4208 works without the need for an additional power adapter.

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Low Power Consumption

The Edimax EU-4208 is designed to use power efficiently and prevent unnecessary waste of power. It can dynamically adjust its power supply for reduced power usage in idle mode and low traffic conditions.

Edimax USB 2.0 Fast Ethernet Adapter EU-4208_Power_Saving.jpg



Windows 8.1 & Mac OS X 10.x

Full compatibility with Windows 8.1 and Mac OS X 10.x for hassle-free use with brand new devices and future-proof peace of mind.

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Edimax USB 2.0 Fast Ethernet Adapter EU-4208_USB_Adapter_applicaiton_diagram.png


Interface 1 x USB 2.0 (USB 1.1 backward compatible)
1 x RJ-45 10/100Mbps LAN port
LED Indicator Power and link
Connector USB Type-A
RAM Embedded 20KB SRAM for RX and 20KB SRAM for TX packet buffering
Power Consumption 600mW (full loading)
46.1mW (idle with remote wake up)
0.7mW (idle without remote wake up)
Dimensions 66 x 22 x 15 mm (L x W x H)
Weight 23.5g
Standards IEEE 802.3
IEEE 802.3u
Power Management Idle mode (remote wake up enabled)
Idle mode (remote wake up disabled)
Certification CE, FCC
Supported OS Windows XP/ Vista/ 7/ 8/ 8.1/ 10
Mac OS 10.5 or abovet
Linux OS
Environment Operating Temperature: 0℃~70℃

  • USB 2.0 Fast Ethernet Adapter x 1
  • Quick installation guide x 1
  • CD with setup wizard, user manual & multi‐language QIG x 1
*Maximum performance, actual data rates, and coverage will vary depending on network conditions and environmental factors.
*Actual viewing resolution and frame rate of network cameras depend on connection speed.
*Product specifications and design are subject to change without notice.