Shop Best Buy for hard drives. We can help you find the best hard drive for your Mac or PC so you can expand your computer’s storage and speed capabilities.

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 …

Computer hard drives contain all the data in your PC, from the operating system to music, movies, and video games. Whether you have a laptop or a desktop computer, there are several types …

Based on our extensive tests, these are the best hard drives for every need and budget. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Discover a wide range of high-capacity desktop hard drives with fast data transfer speeds, reliable 24/7 performance, and ample storage for all your needs.

Dec 2, 2025 · To install a computer operating system, a hard drive (or another storage device) is required. The storage device provides the storage medium where the operating system is …

A hard drive in a computer is an internal or external device that stores data such as operating systems, applications and user files. You may also have come across the term HDD.

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Apr 30, 2024 · Nearly every desktop computer requires a hard drive for data storage, but what is a hard drive, exactly? Your hard disk drive holds all of the information available on your …

Disks are commonly used in computers and other electronic devices for long-term data storage. How does a disk work? When you write data to a disk, the information is encoded and stored …