This is what a PUMA6 intel chipset modem does to your latency, This causes jitter in games voice chat and virtual meetings. This is a major issue to quality of service. Using
Intel Coughs to Puma CPU Flaw that Hit Virgin Media Hub 3 Router UPDATE - ISPreview UK
Guess chipset is used for the xb8 !! : r/Comcast
The Best Modems for Spectrum in 2023 - Your Best Digs