1221:3234 — Disk (Thumb drive)

This is the USB identifier for a Disk (Thumb drive) manufactured by Unknown manufacturer. The vendor ID 1221 is registered to Unknown manufacturer with the USB Implementers Forum, and 3234 is the product ID that Unknown manufacturer assigned to this particular model. When you run lsusb on Linux, this device appears as 1221:3234 Unknown manufacturer Disk (Thumb drive).

Linux

$ lsusb
Bus 001 Device 004: ID 1221:3234 Unknown manufacturer Disk (Thumb drive)

You can filter directly with lsusb -d 1221:3234, or get the full descriptor dump with lsusb -v -d 1221:3234. Kernel messages from dmesg show the same pair as idVendor=1221, idProduct=3234.

Windows

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

USB\VID_1221&PID_3234
USB\VID_1221&PID_3234&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1221&PID_3234"

macOS

$ system_profiler SPUSBDataType
    Disk (Thumb drive):
      Product ID: 0x3234
      Vendor ID: 0x1221  (Unknown manufacturer)

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:

1221  Unknown manufacturer
	3234  Disk (Thumb drive)

See all 1 devices from Unknown manufacturer →