Motorola SB6121 SURFboard DOCSIS 3.0 Broadband Cable Modem for $79.99 shipped after promo code EMCYTZT2155.  Here is a screenshot for your reference. It has IPv4 and IPv6 support and speed over 100Mbps in both directions. Having your own cable modem often means you do not have to rent one from your internet service provider [...]