[randunel]

Crimping implies RJ45, so 1Gbps. You can't crimp SFP+.

[gh02t]

Even CAT5e can do 10 Gbps if you do a decent job making the cable, even though it's out of spec. 6A can do it easily, in spec. I used it in my previous home.

I much prefer to use fiber, but copper with good old RJ45 works fine for 10 gig.