Approved Cable & DSL Modems

Find the best cable modem or WiFi cable modem for Comcast XFINITY, Cox, Spectrum and more.  Save money by eliminating monthly modem rental fees that never end. Most cable & DSL companies allow the consumer to buy their own modem. ​
Did You Know? An outdated Internet modem can cause lag on the network and may hinder receiving your subscribed internet speed. ​​Some people even report receiving speeds over their subscribed speed by upgrading their cable modem. ​Test your modem and network speed.
Three Types of Cable Modems
  • Stand-alone Modem - Can be used with a single PC, a separate router, or other device.
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  • Modem Router Combo / WiFi Modem / Gateway - A WiFi modem has a built-in router which can be used to connect to many devices throughout the home, either wirelessly. Internet signals can also transmit through a wired connection via the Ethernet ports on the back of the WiFi modem.
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  • EMTA Telephony Modem - For use with those who subscribe to voice / telephone services through a cable company. Some have a built-in router as well which offers a true all-in-one modem for those "triple play" customers.​​

Best Selling Cable Modems List

View the most up-to-date list of best selling cable modems on Amazon.

Best Selling Cable Modem

​This NETGEAR High Speed Internet Cable Modem provides a connection to high-speed cable Internet with speeds up to 680Mbps. It is CableLabs® certified DOCSIS® 3.0 that is 16X faster than 2.0 devices. A Gigabit Ethernet port provides faster access and downloads. Compatible with most cable companies up to 300 Mbps​. View more info on the Netgear CM500 Cable Modem. 

Best WiFi Cable Modem

If you prefer an all-in-one unit, a cable modem with built-in router, we suggest the MG7540 cable modem. It is approved by ​most cable companies including Atlantic Broadband, Cable One, Comcast XFINITY, Charter TWC BHN Spectrum and more with plans up to 250 Mbps. View more on the Motorola MG7540 WiFi Cable Modem.

Best DOCSIS 3.1 Modem

The Netgear CM1000 DOCSIS 3.1 cable modem is required for XFINITY Gigabit  / XFINITY Gig service. It is also compatible with Cox Ultimate, WOW 300Mbps & over, Cable One GigaOne service and more. Why It's The Best - First available DOCSIS 3.1 cable modem. Approved for speeds up to 1 Gbps which will cover services for at least the next ten years. View more on the Netgear CM1000 Cable Modem on Amazon.