03fd:0050 — dfu downloader

This is the USB identifier for a dfu downloader manufactured by Xilinx, Inc.. The vendor ID 03fd is registered to Xilinx, Inc. with the USB Implementers Forum, and 0050 is the product ID that Xilinx, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 03fd:0050 Xilinx, Inc. dfu downloader.

Linux

$ lsusb
Bus 001 Device 004: ID 03fd:0050 Xilinx, Inc. dfu downloader

You can filter directly with lsusb -d 03fd:0050, or get the full descriptor dump with lsusb -v -d 03fd:0050. Kernel messages from dmesg show the same pair as idVendor=03fd, idProduct=0050.

Windows

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

USB\VID_03FD&PID_0050
USB\VID_03FD&PID_0050&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_03FD&PID_0050"

macOS

$ system_profiler SPUSBDataType
    dfu downloader:
      Product ID: 0x0050
      Vendor ID: 0x03fd  (Xilinx, Inc.)

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.

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

03fd  Xilinx, Inc.
	0050  dfu downloader

• 03fd:0008 Platform Cable USB II

See all 2 devices from Xilinx, Inc. →