だい容量 ようりょう記憶 きおく装置 そうちでしょう
daiyōryōkiokusōchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 大容量記憶装置

1. Probably a large-capacity storage device.

Polite
Presumptive
Conjecture
Computing