Recently I got an email from Comcast that they have doubled my internet speed, but in order to access it, I had to get a new cable modem that supported docsis 3.0. It sounded a bit too good to be true, but I thought I would give it a try since I had been using the same cable modem for over 7 years. Before buying a new modem, I decided to test my speed at speedtest.net and it came out to be 20Mbps.
Then I searched on gooogle to see if my old modem, the Motorola sb5100 supports Docsis 3.0 and sure enough Comcast was right, it did not.
Then, I looked at the Comcast approved device list to find a cable modem that supported the new speed tier.
