A hard disk drive (HDD), hard disk, hard drive, or fixed disk[a] is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly …

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HDD is a common abbreviation that stands for Hard Disk Drive. HDDs are non-volatile storage devices, meaning they retain stored data even when power isn't being supplied.

Feb 24, 2025 · A hard disk drive (HDD) is a data storage device. Learn how it works, its components, common capacities and how HDDs differ from solid-state drives.

You have a choice between an HDD hard disk drive or a solid-state drive (SSD) for both internal and external hard drives. Hard disks are the traditional hard drive design and usually cost less than SSD …

Dec 2, 2025 · A Hard Disk Drive (sometimes abbreviated as a hard drive, HD, or HDD) is a non-volatile data storage device. It is usually installed internally in a computer, attached directly to the disk …

Mar 31, 2025 · In general, an HDD will be much slower than an SSD because it uses a vastly different, older storage technology—a spinning platter instead of memory cells.

Here's the shortlist of our best HDD rankings below, but we have deeper breakdowns for these drives below, along with more picks for other categories.

Sep 25, 2025 · A Hard Disk Drive (HDD) is a non-volatile storage device that stores and retrieves digital data using magnetic storage and rotating disks called platters. It is one of the most common forms of …

Sep 19, 2023 · A hard disk drive (HDD) is a hardware device used to store information like software and files. The primary hard disk in a PC is often the C drive.