Do you have any update? I am planning on getting the same hardware. I also wonder about the heat, have you experienced a high increase in heat with the mellanox card?
Btw have you enabled the drivers?
https://www.thomas-krenn.com/de/wiki/OPNsense_Chelsio_Mellanox_Broadcom_Netzwerkkarten-Treiber_aktivieren
Btw have you enabled the drivers?
https://www.thomas-krenn.com/de/wiki/OPNsense_Chelsio_Mellanox_Broadcom_Netzwerkkarten-Treiber_aktivieren