hard disk drive; HDD
Standard computing term for a data storage device using magnetic disks. Often abbreviated as HDD in both English and Japanese.
The new computer is equipped with a large-capacity hard disk drive.
All the data was lost due to a hard disk drive failure.
Variant with interpunct, sometimes used for clarity or in technical contexts.
Loanword from English 'hard disk drive', directly borrowed into Japanese as a technical computing term.