[Sandy]

the amounts of data that will need to be stored and accessed will be unprecedented, measured in petabytes

Had to look that up...

peta-    a combining form used in the names of units of measure equal to one quadrillion (10¹⁵) of a given base unit.

[FormerLurker]

peta- a combining form used in the names of units of measure equal to one quadrillion (10¹⁵) of a given base unit.

Now that is bit more than my first computer....