Xb9 modem

I recently noticed the XB9 Was launched as an alternative to the XB10 with Wi-Fi 7 capability, but is for households that do not have duplex speeds. I was wondering if I could get assistance in ordering this modem to my address to replace my XB8, as my account should be eligible since I have gigabit speeds in an enhanced area

https://www.xfinity.com/support/articles/broadband-gateways-userguides