Just found out xfinity could upgrade your Modem for free. Thanks Xfinity for the Wi-Fi boost. Never had the XB7. Went from the XB6 to the XB8. With instant noticeable improvements. :
Comcast's New Router Stays Connected During Power Outages - CNET
Xfinity xFi Review 2023 | CableTV.com
NETGEAR Nighthawk AC1900 WiFi DOCSIS 3.0 Cable Modem Router - For XFINITY Internet & Voice – (C7100V) - Walmart.com
Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet Speeds - Walmart.com
Comcast Launches Its Most Powerful Internet Device Capable Of Multi-Gigabit Speeds With WiFi 6