Rotating disc computer storage media

data storage device

digital optical disc data storage format

DVD (digital video disc or digital versatile disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kind of digital data and has been widely used to store video programs (watched using DVD players), software and other computer files. DVDs offer significantly higher storage capacity than compact discs (CD) while having the same dimensions. A standard single-layer DVD can store up to 4.7 GB of data, a dual-layer DVD up to 8.5 GB. Dual-layer, double-sided DVDs can store up to a maximum o

Blu-ray (Blu-ray Disc or BD) is a digital optical disc data storage format designed to supersede the DVD format. It was invented and developed in 2005 and released worldwide on June 20, 2006, capable of storing several hours of high-definition video (HDTV 720p and 1080p). The main application of Blu-ray is as a medium for video material such as feature films and for the physical distribution of video games for the PlayStation 3, PlayStation 4, PlayStation 5, Xbox One, and Xbox Series X. The name refers to the blue laser used to read the disc, which allows information to be stored at a greater

removable disk storage medium

A CD-ROM (, compact disc read-only memory) is a type of read-only memory consisting of a pre-pressed optical compact disc that contains data computers can read, but not write or erase. Some CDs, called enhanced CDs, hold both computer data and audio with the latter capable of being played on a CD player, while data (such as software or digital video) is only usable on a computer (such as ISO 9660 format PC CD-ROMs).

discontinued optical disc format

removable cartridge disk storage system

process of preparing a data storage device for initial use

novel optical disc based on holography

optical disc storage medium

thumb|right|200px|Other logo used from 1997 to 2001 (although some DVDs from 2001 to 2003 and some pirated DVDs made after 2001 still carry this logo) DVD-Video is a consumer video format used to store digital video on DVDs. DVD-Video was the dominant consumer home video format in most of the world in the 2000s. As of 2025, it continues to compete with its high-definition Blu-ray Disc counterpart, while both receive competition as the collective delivery method of physical media by streaming services such as Netflix and Disney+. Discs using the DVD-Video specification require a DVD drive and a

storage mechanisms that record data on the surface of rotating disks

right|thumb|Cylinder, head, and sector of a hard drive. Cylinder-head-sector (CHS) is an early method for giving addresses to each physical block of data on a hard disk drive.

coding technique in communication technology

M-DISC (Millennial Disc) is a write-once optical disc technology introduced in 2009 by Millenniata, Inc. and available as DVD and Blu-ray discs.

encoding in communication technology

small, movable parts of a disk drive

disk drive optimization method

thumb|Imation SuperDisk drive thumb|An LS-120 disk

optical disc format

thumb|An external CD/DVD SuperDrive

Optical Disc Storage Format

offshoot of DVD format

several distinct but related encoding methods for magnetic media

qualifier for the rated speed of an optical disc drive

computing term that indicates storage failure

qualifier for the rated speed of an optical disc drive

thumb|right|DVHD disc showing its elasticity

removable assembly of disk platters used in early hard disk drives

Blu-Ray Disc that can be written to once with an optical disc recorder