硬盘 (yìng pán): hard disk

I saved all my photos and videos on an external hard disk, so I won't worry even if my computer breaks down.

This game is too big; my hard disk doesn't have enough space. I have to delete some old files before I can install it.

The engineer is checking the server's hard disk to see why the data reading speed has become so slow.

He bought a new solid-state hard disk. After replacing it, the computer boots up in just a few seconds.

Don't forget to regularly back up the important data on your hard disk. If it fails, the loss will be huge.