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USB 3.0 to Ethernet Adapter - Lenovo

USB 3.0 to Ethernet Adapter - Lenovo

This USB 3.0 to Ethernet Adapter provides a fast and reliable wired network connection for your de...

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Box.co.ukLenovo Size 3.0 Black Thinkpad Usb To Ethernet Network Adapter
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Laptop OutletLenovo Black Thinkpad Usb 3.0 To Ethernet Network Adapter
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PCHUB.UKLenovo 4X90s91830 Network Card Ethernet 1000 Mbit/S
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GamingKitLenovo 4X90s91830 Network Card Ethernet 1000 Mbit/S
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Rapid Online - Rapid Electronics Ltd.Lenovo 4X90S91830 ThinkPad USB3.0 to Ethernet Adapter
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Product Information

Full details

The Lenovo 4X90S91830 USB 3.0 to Ethernet Adapter is designed for users needing a reliable wired network connection for their notebooks and desktops. Its key benefit is providing a fast and stable Gigabit Ethernet link, ideal for transferring large files or system imaging, with the caveat that it requires a USB 3.0 port for optimal performance. This adapter offers plug-and-play simplicity, enabling quick access to wired networks.

All features

Model Part Number4X90S91830
BrandLenovo

Extended Product Information

FAQs

Does this adapter require drivers?

In most cases, the Lenovo 4X90S91830 adapter supports plug-and-play and does not require manual driver installation on modern operating systems like Windows 10/11, macOS, and recent Linux distributions.

What is the maximum speed this adapter supports?

The adapter supports Gigabit Ethernet speeds, with a maximum data transfer rate of 1000 Mbit/s, provided it is connected to a USB 3.0 or higher port.

Can I use this adapter with a USB 2.0 port?

Yes, the adapter is backward compatible with USB 2.0 ports, but the network speed will be limited to the maximum throughput of USB 2.0, which is significantly lower than Gigabit Ethernet.

What type of Ethernet cable should I use?

For Gigabit speeds, a Cat 5e or Cat 6 Ethernet cable is recommended. Cat 5 cables may also work but could limit performance.

Does this adapter work with tablets or smartphones?

Compatibility with tablets and smartphones depends on the device's operating system and whether it supports USB Ethernet adapters. It is primarily designed for notebooks and desktops.

How does the LED indicator work?

Typically, one LED indicates power status (solid light when connected and powered), and another indicates network activity (blinking light when data is being transferred).

Troubleshooting

Adapter not recognized by the computer

Ensure the adapter is securely plugged into a functional USB 3.0 port. Try a different USB port. Check Device Manager (Windows) or System Information (macOS) for driver status. For some systems, a manual driver installation might be necessary if plug-and-play fails.

No network connection or slow speeds

Verify that the Ethernet cable is securely connected at both ends. Confirm the adapter is plugged into a USB 3.0 port for maximum speed. Check network settings on your computer and ensure DHCP is enabled or a static IP is correctly configured. Test the Ethernet cable with another device.

LED indicators are not lit

Confirm the adapter is properly connected to the USB port and the computer is powered on. If the power LED is off, try a different USB port. If the data LED is off, there might not be any network activity, or there could be a connection issue.

Intermittent connection drops

Ensure the USB connection is secure and not loose. Check for potential interference from other USB devices. Try updating your computer's USB controller drivers or network drivers.

Pros and Cons

Pros

  • Provides a stable and fast wired network connection.
  • Ideal for tasks requiring high bandwidth, such as large file transfers and system imaging.
  • Simple plug-and-play setup requires no additional drivers for most systems.
  • Compact and lightweight, enhancing portability.
  • Supports Gigabit Ethernet speeds for efficient data transfer.

Cons

  • Requires a USB 3.0 port to achieve maximum speed; performance may be limited on USB 2.0 ports.
  • Adds an extra dongle to carry.
  • Relies on the host device's USB controller for performance.
  • No built-in Wi-Fi capability, strictly for wired connections.

Setup, Compatibility & Care

Setup:

  1. Connect the USB 3.0 end of the adapter to an available USB 3.0 port on your computer.
  2. Plug an Ethernet cable (RJ-45) from your network into the adapter's Ethernet port.
  3. Your operating system should automatically detect the adapter and install necessary drivers (plug-and-play).
  4. Configure your network settings if prompted, or the device should obtain an IP address automatically via DHCP.

Compatibility:

  • Host Interface: USB 3.2 Gen 1 (backward compatible with USB 2.0, though speeds will be reduced).
  • Operating Systems: Generally compatible with Windows, macOS, and Linux distributions that support USB Ethernet devices.
  • Network: Supports standard Ethernet networks (IEEE 802.3, IEEE 802.3u, IEEE 802.3az).

Care:

  • Keep the adapter dry and away from extreme temperatures.
  • Avoid physical damage to the USB connector and Ethernet port.
  • Clean the exterior with a dry or slightly damp soft cloth; do not use liquids or harsh cleaners.
  • Ensure proper ventilation around the adapter during use.

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