066b:400b — USB10TX

Linksys, Inc.

Vendor ID: 066b
Product ID: 400b
Combined: 066b:400b
Decimal: 1643:16395

What is this device?

This is the USB identifier for a USB10TX manufactured by Linksys, Inc.. The vendor ID 066b is registered to Linksys, Inc. with the USB Implementers Forum, and 400b is the product ID that Linksys, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 066b:400b Linksys, Inc. USB10TX.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 066b:400b Linksys, Inc. USB10TX

You can filter directly with lsusb -d 066b:400b, or get the full descriptor dump with lsusb -v -d 066b:400b. Kernel messages from dmesg show the same pair as idVendor=066b, idProduct=400b.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_066B&PID_400B
USB\VID_066B&PID_400B&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_066B&PID_400B"

macOS

$ system_profiler SPUSBDataType
    USB10TX:
      Product ID: 0x400b
      Vendor ID: 0x066b  (Linksys, Inc.)

Driver help

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

066b  Linksys, Inc.
	400b  USB10TX