noun
boot drive
Computing term for the storage device from which a computer loads its operating system.
新しいSSDをブートドライブに設定した。
I set the new SSD as the boot drive.
Variant with interpunct; less common in running text.
More general term for a bootable disk; ブートドライブ specifically refers to the drive containing the OS.
Loanword from English 'boot drive'.