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 rotating platters coated with magnetic material.

A computer hard disk drive (HDD) is a non-volatile data storage device. Non-volatile refers to storage devices that maintain stored data when turned off. All computers need a storage device, and HDDs are just one type.

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. How does a hard drive work? An HDD includes two main elements: a spinning platter and an actuator arm.

Apr 30, 2024 · HDD is a hard disk drive, which stores data on a spinning disk. SSD is a solid state drive, which stores data on a chip. SSD is faster and more durable than HDD.

Jan 23, 2025 · In this article, we will learn about some of the common types of hard drives such as HDD, SSD or the latest M.2 NVMe drives, their advantages and disadvantages and find out which type of hard drive should you choose.

Whether you're adding a hard drive to your desktop or laptop, increasing your gaming PC capabilities, connecting Network Attached Storage (NAS) to your system, or picking a backup drive, finding the best solution comes down to two fundamental factors: capacity and speed.

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.

Mar 5, 2025 · When choosing one of the best HDDs, you should balance these factors with your intended usage and, of course, around your budget. You will want specialized drives for NAS, surveillance/DVR/NVR,...

Feb 21, 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 controller of the computer's motherboard .

Mar 3, 2025 · The platters are the most important parts of a hard drive. As the name suggests, they are disks made from a hard material such as glass, ceramic, or aluminum, which is coated with a thin layer of metal that can be magnetized or demagnetized. A small hard drive typically has only one platter, but each side of it has a magnetic coating.