Xfinity fiber-powered internet results in 99.9% network reliability. Combined with low-lag technology and unlimited data, it delivers consistent performance even during peak household usage.

Xfinity will let you rent a modem when you sign up for its Internet service, but you do have the option of using a third-party modem instead. Here's how.

CNET staff -- not advertisers, partners or business interests -- determine how we review the products and services we cover. If you buy through our links, we may get paid. Faith Foushee is a CNET ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. For years, broadband was seen as just another household ...