Depending on how long "several years" is exactly, there could be really good reason to upgrade your modem, or no reason at all. Still, the quick answer is that yes, there are some differences between ...

I've got a 10 year old Motorola sb6120 docsis 3.0 cable modem. My internet connecion is beginning to drop out several times a month. Is it time to replace? Since I only get 60Mb speeds from Comcast, ...