also: ランダムアクセスメモリー
noun
random access memory; RAM
Computing term for volatile memory that can be read and written in any order. Often abbreviated as RAM in both English and Japanese technical contexts.
このパソコンはランダムアクセスメモリが8ギガバイト搭載されている。
This PC has 8 gigabytes of random access memory installed.
ランダムアクセスメモリを増設すれば、動作が速くなるかもしれません。
If you add more RAM, it might run faster.
Loanword from English 'random access memory', borrowed directly into Japanese as a technical computing term.