Translation guide
A device that reads and writes data on a disk. In Japanese, the term is usually expressed with ディスクドライブ or more specific terms like ハードディスクドライブ (HDD) or 光学ドライブ (optical drive).
disk drive
General term; specify type if needed (HDD, optical, etc.)
A generic device for reading/writing disks, such as in a computer.
The most direct translation, used in technical contexts. Often abbreviated to ドライブ in casual speech.
This computer has a built-in disk drive.
Common abbreviation for disk drive, used when the type is clear from context.
I bought an external drive.
Specifically a hard disk drive, the traditional spinning-disk storage device.
Full term, often shortened to HDD or ハードディスク.
The hard disk drive is running out of space.
Common abbreviation, pronounced as individual letters.
I replaced the HDD with an SSD.
A drive that reads/writes optical discs like CDs, DVDs, or Blu-ray discs.
General term for optical disc drives.
Many recent laptops don't come with an optical disc drive.
Specifically a DVD drive, often used even if it also reads CDs.
I watched a movie on the DVD drive.
Specifically a Blu-ray drive.
Few computers have a Blu-ray drive.
A drive for floppy disks, now obsolete but sometimes referenced.
Full term, often shortened to FDD or フロッピードライブ.
Old computers had a floppy disk drive.
In Japanese, it's common to specify the type of disk drive (e.g., HDD, DVDドライブ) rather than using the generic ディスクドライブ, especially in casual conversation.
Does this computer have a DVD drive?
Often used to mean the drive itself, though technically it refers to the disk platters.
The hard disk failed.