also: ないぞうメモリー
internal storage; internal memory
Refers to built-in storage or memory in a device, as opposed to external or removable storage. Common in specifications for computers, smartphones, and other electronics.
This smartphone has 128GB of internal storage.
Since the internal memory was insufficient, I added an SD card.
Standard kanji-katakana spelling for internal memory/storage in computing contexts.
Variant with long-vowel katakana メモリー; both spellings are used, but メモリ is more common.
Compound of 内蔵 (ないぞう, 'built-in') and メモリ (from English 'memory'). A straightforward technical term.