2581:f1d0 — Nitrokey U2F
Plug-up
- Vendor ID
- 2581
- Product ID
- f1d0
- Combined
- 2581:f1d0
- Decimal
- 9601:61904
What is this device?
This is the USB identifier for a Nitrokey U2F manufactured by Plug-up. The vendor ID 2581 is registered to Plug-up with the USB Implementers Forum, and f1d0 is the product ID that Plug-up assigned to this particular model. When you run lsusb on Linux, this device appears as 2581:f1d0 Plug-up Nitrokey U2F.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 2581:f1d0 Plug-up Nitrokey U2F
You can filter directly with lsusb -d 2581:f1d0, or get the full descriptor dump with lsusb -v -d 2581:f1d0. Kernel messages from dmesg show the same pair as idVendor=2581, idProduct=f1d0.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_2581&PID_F1D0 USB\VID_2581&PID_F1D0&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2581&PID_F1D0"
macOS
$ system_profiler SPUSBDataType
Nitrokey U2F:
Product ID: 0xf1d0
Vendor ID: 0x2581 (Plug-up)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:
2581 Plug-up f1d0 Nitrokey U2F