@solidname said in Looking for SFP card with 100baseTX autonegotioation support: I think I will get a SFP to ethernet media converter.

For anyone interested, a feature request has been added to the bug tracker here: https://redmine.pfsense.org/issues/9091 More information on offloads from https://service.chelsio.com/beta/drivers/ChelsioUwire-FBSD-3.3.0.1/README.txt " When a TOE capable interface is the outbound path to a destination to which a new connection is being established, the connection should be offloaded automatically. " It would stand to reason that if your system was setup to use one or more Chelsio adapters, either exclusively or as an adapter that saw heavy traffic (WAN facing adapter), then every packet PfSense routed/forwarded over one such adapter would benefit from offloading.