NETGEAR 16x4 Cable Modem with Voice, DOCSIS 3.0 | Certified for XFINITY by Comcast, Spectrum, Time Warner, Charter, and more (CM500V-100NAS) - Walmart.com
Amazon.com: NETGEAR Nighthawk Cable Modem with Voice (CM1150) - Certified for Xfinity by Comcast Internet & Voice Plans Up to 800Mbps | 2 Phone lines | 4 x 1G Ethernet ports | DOCSIS 3.1 : Electronics