NETGEAR CM500 (16x4) DOCSIS 3.0 Cable Modem. Max download speeds of 680Mbps. Certified for XFINITY by Comcast, Time Warner Cable, Cox, Charter & more (CM500) - Walmart.com
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) - Newegg.com
Netgear Nighthawk DOCSIS 3.1 Cable Modem - 2.5Gbps CM2000100NAS - The Home Depot