Something nonobvious to consider, 10G copper/RJ45 SFP modules run hot, to the point where our Mikrotik switch's manual mentioned that we could use them, but the

Something nonobvious to consider, 10G copper/RJ45 SFP modules run hot, to the point where our Mikrotik switch's manual mentioned that we could use them, but they strongly recommended only populating every other port, if we did. Heat wasn't a problem at all with the fiber ones.