bit                                         block byte CD (74 minute) CD (80 minute) double-word DVD (1 layer, 1 side) DVD (1 layer, 2 sides) DVD (2 layers, 1 side) DVD (2 layers, 2 sides) exabit exabyte exabyte (10^18 bytes) floppy disk (3.5", DD) floppy disk (3.5", ED) floppy disk (3.5", HD) floppy disk (5.25", DD) floppy disk (5.25", HD) gigabit gigabyte gigabyte (10^9 bytes) Jaz 1GB Jaz 2GB kilobit kilobyte kilobyte (10^3 bytes) megabit megabyte megabyte (10^6 bytes) nibble petabit petabyte petabyte (10^15 bytes) quadruple-word terabit terabyte terabyte (10^12 bytes) word Zip 100 Zip 250 bit                                         block block byte CD (74 minute) CD (80 minute) double-word DVD (1 layer, 1 side) DVD (1 layer, 2 sides) DVD (2 layers, 1 side) DVD (2 layers, 2 sides) exabit exabyte exabyte (10^18 bytes) floppy disk (3.5", DD) floppy disk (3.5", ED) floppy disk (3.5", HD) floppy disk (5.25", DD) floppy disk (5.25", HD) gigabit gigabyte gigabyte (10^9 bytes) Jaz 1GB Jaz 2GB kilobit kilobyte kilobyte (10^3 bytes) megabit megabyte megabyte (10^6 bytes) nibble petabit petabyte petabyte (10^15 bytes) quadruple-word terabit terabyte terabyte (10^12 bytes) word Zip 100 Zip 250