The capacity of one DRAM memory chip has also risen from one megabit (Mb) to 4Mb, then 16Mb, and today some overseas plants are already mass-producing 64Mb chips (see "A Submicron Journey").
一個 DRAM 記憶晶片的容量，也從一百萬位元（1Mb）、四百萬位元、一千六百萬位元，到現在國外已經可以大量生產的六千四百萬位元。