Category: PCI-Express
tool:-
Device: Stratix® 10


The IP's User Guide states that it is 3.0 compliant.

Intel® Stratix® 10 Avalon®-MM Interface for PCI Express* Solutions User Guide
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug_s10_pcie_avmm.pdf
(Search for PIPE Interface)

(excerpt)

"6.1.6.2. PIPE Interface"
The Stratix 10 PIPE interface compiles with the PHY Interface for the PCI Express
Architecture PCI Express 3.0 specification.

However, please note that some signals from 4.4.1 or later are mixed.