HDD

abbreviation for

, Computers.

1. hard disk drive: a storage device containing one or more spinning magnetic hard disks. Compare SSD ( def ).

HDD

abbreviation for

1. computing hard disk drive

Word History and Origins

Origin of HDD¹

First recorded in 1985–90

Example Sentences

Furthermore, densities of larger than 10 Tbit/in² are possible based on a new principle demonstrated by storing multiple recording levels of 3 or 4 compared with the binary level used in HDD technology.

From Science Daily

In the future, we plan to develop processes to reduce the size of FePt grains, to improve the orientation and magnetic anisotropy, and to stack more FePt layers to realize a media structure suitable for practical use as a high-density HDD.

From Science Daily

A: Yes, there are a lot of computers coming on the market that store the operating system on a SSD and use a traditional HDD for storing data.

From Seattle Times

You can get a 1-terabyte HDD for $50-$65.

From Seattle Times

For files you’re working on — and therefore doing a lot of reading and writing — an HDD makes more sense for storage.

From Seattle Times