external hard drive

noun
UK /ɪkˈstɜːnəl hɑːd draɪv/
US /ɪkˈstɜːrnəl hɑːrd draɪv/

A small box you plug into a computer to save lots of files.

I copied all my photos onto my external hard drive.


OTHER MEANINGS

2. A backup device kept outside the computer case for safety.

Keep your external hard drive in a safe place.

3. A way to move big files between computers.

She used an external hard drive to bring the video to school.

4. Extra space for a computer that is running out of room.

My laptop was full, so I bought an external hard drive.