hard disk

US /ˌhɑːrd ˈdɪsk/
UK /ˌhɑːrd ˈdɪsk/
"hard disk" picture
1.

disco duro

a high-capacity, self-contained data storage device containing a read-write mechanism and one or more platters, used in computers.

:
I need to replace the hard disk in my old computer.
Necesito reemplazar el disco duro de mi computadora vieja.
All your files are stored on the hard disk.
Todos tus archivos están almacenados en el disco duro.