Today, Amazon has an Arris SB6190 DOCSIS 3.0 Cablemodem Sale Priced at $69.00, with Free Shipping. Amazon's Next lowest price is $90+tax. Rated 4 out of 5 stars. In Black, White costs more.

It costs $10-15 a month for Xfinity Comcast cable modem rental. Why rent your cablemodem and pay every month (forever) when you can just buy one. Or put one on the shelf in case yours goes south so you don't miss any uptime.

Arris SurfBoard SB6190 Specifications

• Approved on Comcast Xfinity, Spectrum (Charter, Time Warner, Brighthouse Networks), Cox, Mediacom, Suddenlink and most other US Cable Internet Providers. NOT compatible with Verizon, AT&T or Centurylink. REQUIRES Internet Service.
• 32 Download and 8 Upload Bonded Channels capable of up to 1.4 Gbps download and 262 upload speeds. Recommended for Internet Plans 250 Mbps and above.
• DOCSIS 3.0 Cable Modem

• Free 30 day trial to Amazon Prime for Free Two-Day Shipping.
• Students get a free 6 month Amazon Prime Trial