Amazon.com: NETGEAR Nighthawk AC1900 (24x8) DOCSIS 3.0 WiFi Cable Modem Router Combo For XFINITY Internet & Voice (C7100V) Ideal for Xfinity Internet and Voice services (Renewed) : Electronics
ASUS AX6000 WiFi 6 Cable Modem Wireless Router Combo (CM-AX6000) - Dual Band, DOCSIS 3.1, Gigabit Internet Support, Approved by Comcast Xfinity and Spectrum, 160MHz Bandwidth, 4K Video Playback, OFDMA - Newegg.com
Amazon.com: Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox, Charter Spectrum, More | for Cable Plans Up to 300 Mbps | AC1900 WiFi Speed | 16x4 DOCSIS 3.0 : Electronics
Replacing Your TV Boxes and Modems — FAQs - Xfinity Support
Get xFi - Personalize, Manage, and Protect Your Xfinity Internet
Amazon.com: Cisco Cable Modem DPC3008, Compatible with Xfinity/Comcast, Spectrum, ATT, TWC, Cox, and Most Internet Providers, DOCSIS 3.0 Modem : Electronics
Amazon.com: NETGEAR Nighthawk Cable Modem WiFi Router Combo C7000-Compatible with Cable Providers Including Xfinity by Comcast, Spectrum, Cox for Cable Plans Up to 800Mbps | AC1900 WiFi Speed | DOCSIS 3.0
The pros and cons of buying your own modem
How to use your own modem and router with Comcast
The Best Xfinity-Compatible Routers (Updated 2022)
Netgear Nighthawk C7100V AC1900 WiFi Cable Modem Router for XFINITY Internet and Voice review: Netgear combines cable modem, Wi-Fi and voice service in a new gateway for Comcast - CNET