NETGEAR Nighthawk AC3200 Wi-Fi Router with DOCSIS 3.1 Cable Modem C7800-200NAS - Best Buy
Amazon.com: Hitron CODA DOCSIS 3.1 Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Charter Spectrum, and More | 10x Faster Than DOCSIS 3.0 | 2X 1 Gbps Ethernet Ports : Electronics
20 Best DOCSIS 3.1 Modems for Gigabit Internet in 2022 [Ultimate Guide]