Carpathia Hosting, their primary host and the reason for the District of the indictment, provides an alleged 25 petabytes of storage. 1 petabyte represents a little over 13 years of high-definition video, Whatever was on those servers, there would seem (allegedly) to have been a heck of a lot of it.
FORBES: Megaupload Allegations by the Numbers: Mad Money and Conspicuous Consumption