17e9:0051 USB VGA Adaptor

DisplayLink

Vendor ID
17e9
Product ID
0051
Combined
17e9:0051
Decimal
6121:81

What is this device?

This is the USB identifier for a USB VGA Adaptor manufactured by DisplayLink. The vendor ID 17e9 is registered to DisplayLink with the USB Implementers Forum, and 0051 is the product ID that DisplayLink assigned to this particular model. When you run lsusb on Linux, this device appears as 17e9:0051 DisplayLink USB VGA Adaptor.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 17e9:0051 DisplayLink USB VGA Adaptor

You can filter directly with lsusb -d 17e9:0051, or get the full descriptor dump with lsusb -v -d 17e9:0051. Kernel messages from dmesg show the same pair as idVendor=17e9, idProduct=0051.

Windows

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

USB\VID_17E9&PID_0051
USB\VID_17E9&PID_0051&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_17E9&PID_0051"

macOS

$ system_profiler SPUSBDataType
    USB VGA Adaptor:
      Product ID: 0x0051
      Vendor ID: 0x17e9  (DisplayLink)

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:

17e9  DisplayLink
	0051  USB VGA Adaptor

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