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How to check whether my PC supports PCI Express

How to check whether my PC supports PCI Express

I'm trying to figure out whether my system supports PCI Express without opening up the box. lspci doesn't mention "Express" or "PCI-e" anywhere, but dmesg reports that a "PCI Express Hot Plug Controller Driver" is in use.

Asked by: Guest | Views: 77
Total answers/comments: 2
Guest [Entry]

"Easiest thing you can do is restart the machine and write down the model number then Google it and look up the specification.

Simple, but works!"
Guest [Entry]

One thing to note is if your machine has a 1x, 2x, 4x, 8x, 16x PCI-E port and then buy the appropriate hardware.