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
Amazon.com: NETGEAR Cable Modem CM400 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS 3.0, Black, 8x4 Cable Modem (CM400) : Electronics
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