While the router and modem are usually separate entities, in some cases, the modem and router may be combined into a single device. This type of hybrid device is sometimes offered by ISPs to simplify the setup process.
Internal Modem - Modem that connects to a slot inside a newer desktop computer or slot on an older computer. The Internal Modem shown at the beginning of this document is an example of a PCI Modem.
In addition to the best cable modem, you're also going to want the best wireless router you can get for your home network. We have reviewed and compared and more budget-oriented . The top picks from either of those lineups work well with most cable modems. Unless you only have one computer to connect to your home network, you'll definitely want a wireless router too.