Setup is refreshingly simple:

If you own a cable DVR from providers like Comcast Xfinity, Spectrum, or Cox, you may have noticed a mysterious door on the front or back panel of your set-top box. That door is the gateway to expansion, and the Arris 500GB DVR Module is one of the most popular, cost-effective solutions to double or triple your recording capacity.

RJ-45 port for IP-based services and multi-room DVR functionality. Adams Cable Equipment 2. Notable Models Arris DVR-One:

The is a relic of the pre-streaming wars that still solves a very real problem for millions of cable subscribers. It is not fancy; it is not fast; but it works. For the price of two movie tickets, you can double your DVR’s lifespan and stop fighting your family for recording slots.

Interactive menus for scheduling recordings up to 7 or 14 days in advance. Consumer-Installable: