Originally Posted by PoobBubes
I have an existing 1 TB My Book Expander that has been used on my 320 GB Premiere for the past 3 years. I am upgrading to a Roamio Pro but am wary about continuing to use this expander since it is probably approaching the end of its lifespan. I would hate to lose 4 TB worth of recordings.
According to the FAQ for the Roamio, it recommends it by name, so I would assume it's possible