From technology aficionados looking for cutting-edge features and download speeds to budget-minded internet users, many people could benefit from buying a Comcast modem rather than renting one from ...

Comcast has tested the first cable modem that can offer multigigabit speeds, although it's not clear if you'll get to make full use of that performance. If you can't get a fiber connection, DOCSIS 4.0 ...

Comcast has largely converted its U.S. network to its high-speed Xfinity service, which relies on DOCSIS 3.0 and 3.1 technology to deliver internet data at speeds up to (and in some places exceeding) ...