"petabit." YourDictionary, n.d. Web. 15 September 2018. <http://www.yourdictionary.com/petabit>.
petabit. (n.d.). Retrieved September 15th, 2018, from http://www.yourdictionary.com/petabit
petabit - Computer Definition
One quadrillion bits (one trillion kilobits). Also, Pb, Pbit and P-bit. Petabit is a future measurement of transmission speed. As of 2014, the fastest data rate in an optical fiber is one terabit per second, and one petabit is a thousand times faster. See petabyte and space/time.