Choosing to buy or rent a modem comes down to your preference on how you spend your money. You’ll typically save more by purchasing, unless you only plan on sticking with your ISP for a short period of time. On the other hand, renting a modem ensures maximum compatibility and repairs in case something goes wrong.Do I need to buy my own modem?
Bottom line: You really should buy your own modem. The current top pick on the gadget-selection site The Wirecutter is a $90 Arris/Motorola model. Just be sure to return your old one (or have a TaskRabbit do it for you), and definitely call your cable company to make sure the new one is properly activated.What modem should I buy to replace Comcast rental?
If you are a Comcast subscriber that bundles your phone service, you will need a cable modem with a phone port. The ARRIS Surfboard Docsis 24X8 (Model: SVG2482AC) is one of your best options to replace a Comcast Triple Play modem that you're renting.