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Comment by nothal

7 years ago

Why are routers so energy intensive? I would think that with fiber the cost would be that of producing light which seems to be low cost.

Doesn't seem like a design point that any of them ever care about. It's easy to waste a lot of power if you treat it as a don't-care.

To add an anecdote, those Comcast modem/router combos get really hot and are constantly running their fans. They probably have some pretty poor software on average and aren’t running power management daemons.