0409:55aa — Hub
NEC Corp.
- Vendor ID
- 0409
- Product ID
- 55aa
- Combined
- 0409:55aa
- Decimal
- 1033:21930
What is this device?
This is the USB identifier for a Hub manufactured by NEC Corp.. The vendor ID 0409 is registered to NEC Corp. with the USB Implementers Forum, and 55aa is the product ID that NEC Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0409:55aa NEC Corp. Hub.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0409:55aa NEC Corp. Hub
You can filter directly with lsusb -d 0409:55aa, or get the full descriptor dump with lsusb -v -d 0409:55aa. Kernel messages from dmesg show the same pair as idVendor=0409, idProduct=55aa.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0409&PID_55AA USB\VID_0409&PID_55AA&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0409&PID_55AA"
macOS
$ system_profiler SPUSBDataType
Hub:
Product ID: 0x55aa
Vendor ID: 0x0409 (NEC Corp.)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:
0409 NEC Corp. 55aa Hub