C# .NET How many bytes or number of files on disk or disk / hard drive size can a List<T> hold?

Assuming, that the average size of an office document is 321 kB in 2012 (we need an update please). 

1 million documents consume about 306 GB, or 2.98 TB for 10 million document.

The upper bound to List<T> has maximum upper bound of in Char.Int32 items  or  2,147,483,647 (2 billion items).


Therefore, a hypothetical 657.129995982 Terra-byte hard-drive holding office documents can approximately be enumerated into a List<T>.