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HDD

American

abbreviation

Computers.

hard disk drive: a storage device containing one or more spinning magnetic hard disks.

HDD British

abbreviation

computing hard disk drive

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of HDD

First recorded in 1985–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Morgan Stanley thinks HDD gross margins can top 50% in the year ahead.

From Barron's • Jan. 2, 2026

Therefore, prices for nearline HDD are firming, the analysts said.

From MarketWatch • Oct. 26, 2025

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 • Apr. 8, 2024

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 • Jun. 11, 2022

WD Black P10 5TB HDD $125 $150 17% off If you need a massive amount of storage, check out this 5TB portable HDD from Western Digital.

From The Verge • Oct. 13, 2021

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023