user_win5cf Thanks for reaching out! The Hitron CODA56 is a Next Gen Speed Tier modem, capable of download speeds up to 2.32 Gbps. To ensure it's compatible with your Xfinity internet, we recommend confirming that it’s DOCSIS 3.1 certified and checking the compatibility list on the Xfinity website. Let us know if you need any further assistance – we’re happy to help! Compatible Modems