If you get excited about the prospect of really, really fast broadband Internet service, here’s a statistic that will make heart race. Or your blood boil. Or both.

Pretty much the fastest consumer broadband in the world is the 160-megabit-per-second service offered by J:Com, the largest cable company in Japan. Here’s how much the company had to invest to upgrade its network to provide that speed: $20 per home passed.

The cable modem needed for that speed costs about $60, compared with about $30 for the current generation.

By contrast, Verizon is spending an average of $817 per home passed to wire neighborhoods for its FiOS fiber optic network and another $716 for equipment and labor in each home that subscribes