Amazon offers the Linksys Advanced DOCSIS 3.0 Cable Modem for $19.99. Shipping is free in orders over $25 or with a Prime membership. That takes 53% off the list price, matches our previous mention and returns to an all-time low. Rated 3.8/5 stars from 1,153 customers. 

Staples also has a refurbished Arris SURFboard SB6183 DOCSIS 3.0 Cable Modem for $29.99 shipped. That saves you $15 from the regular list price, is $50 less than Amazon’s listing for a new model and the lowest we’ve tracked. 4.4/5 stars from 4,841 Amazon reviewers. Includes a 90-day warranty.

Either model is a great choice for cutting down on pesky rental fees from Comcast or other Internet providers. It’s still best to check with your ISP to ensure there aren’t any issues with using your own cable modem.

Linksys Advanced DOCSIS Features Include:

  • Gigabit Ethernet port
  • 4x faster than DOCSIS 2.0
  • Delivers download speeds of up to 340 Mbps: upload speeds of up to 120 Mbps
  • Compatible with Comcast, Connector: Cable: F-type female 75 ohm
  • Supports the latest IPv6 Internet Protocol
  • 1-Year Limited Warranty. Please refer the User Manual before use

Arris SURFboard SB6183 Features Include:

  • This is Cable Modem and Wi-FI Router. 802.11AC Wi-Fi Router provides speeds up to 1900 Mbps. Dual-band concurrent 2.4GHz and 5GHz
  • Works with Comcast, Time Warner, Cox, Bright House Networks and with major U.S. Cable Providers. Pending charter. Requires cable Internet Service, if not sure your provider is cable call them to confirm
  • Internet speeds up to 686 Mbps Download and 131 Mbps Upload based on your cable ISP subscription. Gigabit Ethernet port to connect to computer or router.
  • Ideal for streaming HD Video and gaming on multiple devices at a time
  • 2 year warranty.Compatible with major U.S. Cable Providers
  • Supports IPv4 and IPv6 – the latest Internet standard

The Linksys DPC3008 Cable Modem delivers high-speed broadband connectivity to your home and office with download speeds up to 340 Mbps and upload speeds up to 120 Mbps. The Gigabit Ethernet port provides high-speed network performance, while DOCSIS 3.0 support ensures you can connect directly to your existing cable broadband service. Comcast-certified, the DPC3008’s simple setup allows you to get connected quickly and easily. It also allows you to stop paying monthly modem-rental fees.