New chips from Realtek burn < 2W for the chip and < 3-4W for the board: https://www.servethehome.com/cheap-10gbe-realtek-rtl8127-nic...
4W is TDP for some of Pi-style mini computers. Lots of them have fans.
...and yet they're still covered by a huge heatsink.
4W is TDP for some of Pi-style mini computers. Lots of them have fans.