Noun
a unit of information equal to 1024 pebibytes or 2^60 bytes
a unit of information equal to 1000 petabytes or 10^18 bytes
Source: WordNetYet, even at that, it will add up quickly, becoming an exabyte of data within three years and three exabytes within a decade. Source: Internet
We're talking about archives now that are hundreds of petabytes to an exabyte. Source: Internet