"zettabyte." YourDictionary, n.d. Web. 15 October 2018. <http://www.yourdictionary.com/zettabyte>.
zettabyte. (n.d.). Retrieved October 15th, 2018, from http://www.yourdictionary.com/zettabyte
zettabyte - Computer Definition
One sextillion bytes. A former technical director of the U.S. National Security Agency (NSA) estimated that their new datacenter completed in 2013 in the Utah desert could hold five zettabytes of data. That much storage is equivalent to more than a trillion DVDs. See zetta and space/time.