mj1.at Michael Jaros' Techblog

3Jan/120

Number of PCIe bus lanes

Posted by mj

Have you ever wondered how to find out the number of connected PCIe bus lanes for a device on Gnu/Linux? Here is the solution:

As root, run:

lspci -vv

The LnkCap parameter will give you the width for any PCIe device.

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