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by Havoc 19 days ago
Yeah its better to avoid rj45 entire for 10gig if one can. It's unavoidable though for some places. e.g. A lot of consumer boards have a spare X1 PCIE slot...which is enough for 10gig if its gen4.

...but all the 1X cards I've seen are rj45 and didn't want to take a chance on seeing if a X4 sfp card can run in a 1X at full 10gig