How does your computer store all its data on a hard disk drive (HDD)? This video takes you inside the fascinating world of HDD technology to reveal exactly how data is written, stored, and ...

A hard disk drive (HDD) that can store an enormous amount of data on a compact fuselage has penetrated the lives of modern people, such as being built in a PC or being used as external storage.

Image of a Hard Drive . How hard drives work. ... Understanding Hard Disk Partitions. When a hard drive is installed in a computer, it must be partitioned before you can format and use it.

Each individual hard disk inside a drive is called a platter. A large-capacity hard drive will typically contain several 3.5-inch platters and will use both sides of each platter for storage.

How a Hard Drive Works. ... The head must be able to accurately seek a magnetic region that is just a few nanometers wide while the disk spins at thousands of revolutions per minute.

In the first of two blog posts, Jollyjinx sets out to build his own Fusion Drive using a 120GB OCZ Vertex 2 connected to his Mac's SATA bus and a USB-attached 750GB hard disk drive.