I recently received an e-mail from Comcast telling me that my Arris modem was no longer compatible with their speed increase (?), and that I needed to upgrade. I bought my modem directly from Arris. I was about to shop for another modem through Comcast (that they conveniently provided a link for), when I noticed that the modem that Comcast claimed I had was different from the one I actually have. I called Comcast and they finally admitted that they sent me the wrong info. They concluded by saying my modem was “somehow still compatible” I called Arris to verify and they gave me the correct info.

If anyone who has Comcast gets this e-mail, make sure they are referring to your modem, and check with Arris directly before buying another modem!