3923:729e — USB-6251 (OEM) data acquisition card
National Instruments Corp.
- Vendor ID
- 3923
- Product ID
- 729e
- Combined
- 3923:729e
- Decimal
- 14627:29342
What is this device?
This is the USB identifier for a USB-6251 (OEM) data acquisition card manufactured by National Instruments Corp.. The vendor ID 3923 is registered to National Instruments Corp. with the USB Implementers Forum, and 729e is the product ID that National Instruments Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 3923:729e National Instruments Corp. USB-6251 (OEM) data acquisition card.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 3923:729e National Instruments Corp. USB-6251 (OEM) data acquisition card
You can filter directly with lsusb -d 3923:729e, or get the full descriptor dump with lsusb -v -d 3923:729e. Kernel messages from dmesg show the same pair as idVendor=3923, idProduct=729e.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_3923&PID_729E USB\VID_3923&PID_729E&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_3923&PID_729E"
macOS
$ system_profiler SPUSBDataType
USB-6251 (OEM) data acquisition card:
Product ID: 0x729e
Vendor ID: 0x3923 (National Instruments 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:
3923 National Instruments Corp. 729e USB-6251 (OEM) data acquisition card