Motorola SB6121 SURFboard DOCSIS 3.0 Cable Modem for $69.99 shipped.  Apply coupon code EMCXMVT23 to get a LG-Ericsson WBR-3020 Wireless-N Router added for free.  Here is a screenshot for 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 [...]