Can't get compatible modems list from https://www.xfinity.com/support/devices/ : r/Comcast_Xfinity
5 Top Comcast Xfinity Compatible Modems 2023 | Reviews.org
Amazon.com: NETGEAR Cable Modem CM400 Compatible with Cable Providers Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS3.0, Black (CM400-100NAS) : Electronics
Arris T25 SURFboard® DOCSIS® 3.1 Telephony Cable Modem for Xfinity
Amazon.com: Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router : Electronics