also: ないぶメモリー
noun
internal memory; internal storage
Computing term for built-in memory or storage in a device, as opposed to external or removable media. Often contrasted with 外部メモリ.
See also: 内蔵メモリ
このスマホの内部メモリは64GBです。
This smartphone has 64GB of internal storage.
写真は内部メモリではなくSDカードに保存してください。
Please save photos to the SD card, not the internal memory.
Compound of 内部 (internal) and メモリ (memory), a straightforward technical term.