28f3:4000 — Flex
Clover Network, Inc.
- Vendor ID
- 28f3
- Product ID
- 4000
- Combined
- 28f3:4000
- Decimal
- 10483:16384
What is this device?
This is the USB identifier for a Flex manufactured by Clover Network, Inc.. The vendor ID 28f3 is registered to Clover Network, Inc. with the USB Implementers Forum, and 4000 is the product ID that Clover Network, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 28f3:4000 Clover Network, Inc. Flex.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 28f3:4000 Clover Network, Inc. Flex
You can filter directly with lsusb -d 28f3:4000, or get the full descriptor dump with lsusb -v -d 28f3:4000. Kernel messages from dmesg show the same pair as idVendor=28f3, idProduct=4000.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_28F3&PID_4000 USB\VID_28F3&PID_4000&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_28F3&PID_4000"
macOS
$ system_profiler SPUSBDataType
Flex:
Product ID: 0x4000
Vendor ID: 0x28f3 (Clover Network, 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:
28f3 Clover Network, Inc. 4000 Flex