不ふ揮き発はつ性せい記き憶おく装そう置ち

• 揮き発はつ性せい記き憶おく装そう置ち

  Volatile storage device; loses data when power is removed, unlike 不揮発性記憶装置.

• 不ふ揮き発はつ性せいメモリ

  Nonvolatile memory; a more common term, often used interchangeably but may refer specifically to semiconductor memory.

Compound of 不 (non-), 揮発性 (volatility), and 記憶装置 (storage device). A technical calque from English 'nonvolatile storage device'.