拡張 かくちょう記憶 きおく装置 そうちではありません
kakuchōkiokusōchidewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 拡張記憶装置

1. Is not an expansion memory device.; Is not a memory expansion unit.

Negative
Polite
Formal Register
Computing