NETGEAR DOCSIS 3.1 Multi-Gig Cable Modem with 4 Ethernet Ports. Max download speeds of 6.0 Gbps, For XFINITY by Comcast, Spectrum, and Cox (CM1200) Modems / Gateways - Newegg.com
Amazon.com: NETGEAR Nighthawk AC1900 (24x8) DOCSIS 3.0 WiFi Cable Modem Router Combo (C7000) for Xfinity from Comcast, Spectrum, Cox, more (Renewed) : Electronics
Best Buy: NETGEAR Dual-Band AC1200 Router with 8 x 4 DOCSIS 3.0 Cable Modem Black C6220-100NAS