Where can I find the PCIe generation and number of lanes for my PCIe-based DAQ Device?

Updated Dec 16, 2019

Reported In


  • PCIe-6321

Issue Details

I need to know the PCIe generation and the number of used lines for my PCIe-based DAQ device. Where can I find this information?


For DAQ devices, bus-related information is typically found in the specifications document below the Bus Interface header. To find the specification document, you can follow these steps:

1. on ni.com go to the search field on the upper right of the website
2. Note your device name there and press Enter. For the device name, use a terminology like PCIe-6321 specifications

3. In the resulting list, search for the specifications document.
4. In the specifications document, search for the Bus Interface header. For a PCIe-6321 it will look as following: