As for the storage capacity, that's dictated by the amount of science collected....

InclinedPlane on July 16, 2015 | parent | context | favorite | on: The Icy Mountains of Pluto

As for the storage capacity, that's dictated by the amount of science collected. Who cares how long it takes to download?

It's taken 11 years from mission inception for New Horizons to get built, launched, and get to Pluto. What's a year or two more?