10Gb/s Ethernet: switching to a Broadcom SFP+ module (opens in new tab)

Back in April, I upgraded my home LAN to 10Gb/s. The in-wall cabling is CAT-6 or similar, so I had to use 10GBASE-T. Now, the router I'm using, and the switch in my study, provide 10Gb/s through SFP+ cages; that meant that they needed 10GBASE-T SFP+ modules in order to connect. That kind of module is known to run hot -- sometimes too hot to actually work. The modules in reggie, the router, appeared to be running OK (see the linked post above for charts), but the one in nigel, the study switch...