Hard disk

**hard disk drive**
	data storage device
	Upload media
	Wikipedia
Subclass of	computer hardware; computer data storage device; disk drive;
Part of	disk array (optional);
Has use	computer data storage device;
Has part(s)	hard disk drive platter (recording medium); spindle; disk drive head; housing; computer interface; electrical connector;
Time of discovery or invention	1956;
Followed by	solid-state drive;
Authority file
	Q4439; GND ID: 4198218-6; Library of Congress authority ID: sh88002126; Bibliothèque nationale de France ID: 120661472; BNCF Thesaurus ID: 6466; NL CR AUT ID: ph165975; BabelNet ID: 00027459n, 00034934n; National Library of Israel J9U ID: 987007536724405171
	Reasonator; Scholia; KML file; Search depicted;

Български: Твърд диск

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Čeština: Pevný disk

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Dansk: Harddisk

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Deutsch: Festplatte

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Eesti: Kõvaketas

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Ελληνικά: Σκληρός δίσκος

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English: Hard disk

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Español: Disco duro

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Français : Disque dur

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Frysk: Fêste skiif

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Hrvatski: Tvrdi disk

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Italiano: Disco rigido

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עברית: דיסק קשיח

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Nederlands: Harde schijf

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日本語: ハードディスク

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Norsk bokmål: Platelager

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Polski: Twardy dysk

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Português: Disco rígido

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Suomi: Kiintolevy

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Svenska: Hårddisk

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中文：硬盘

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Photos[edit]

various
2.5" HDD - Toshiba MK4313MAT
Western Digital WD740 Raptor
Western Digital WD740 Raptor
Western Digital WD1200
Western Digital WD1000
Western Digital WD1000
Samsung SP1203N
Samsung SP1203N
250GB Western Digital SATA Drive
Fujitsu hard disk
hard disk drive [5.25,3.5,2.5,PCMCIA-HDD]
2.5" laptop hard disk
320GB Western Digital harddrive opened.
3½ inches Hard disk with SCSI Ultra2 Multi-Mode LVD interface - Mainly used in high performance computer.
Hard drive - inside view
2½ inches Hard disk - Mainly used on laptop computers
3½ inches Hard disk with Serial ATA - On the top, from left to right, Serial ATA 15 contacts power connctor, 7 contacts data connector, jumper housing, old type power supply 4 pin connector.
3½ inches Hard disk with Parallel ATA.
Western Digital WD400
Seagate Medalist 6531
Parallel ATA Connector
A dismantled 10GB Quantum Fireball hard drive
A dismantled 512 Mb hard drive, having several heads and rotating plates
The bottom of a hard drive
Old SCSI hard disk
ExcelStor ES3220, 20 GB, Front
ExcelStor ES3220, 20 GB, Back
Breather hole
Hard disk 8 Gigabyte
Head
Head
Old IBM hard disk
Old IBM hard disk, modified Image
ATA
IDE hard disk in a USB/FireWire enclosure
Hard disk icon in colours
Seagate U6 hard disk drive
Innenansicht einer Festplatte
Festplatte von unten
Hard disk platter and head.
Inside view of ST-506 hard disk, step-by-step motor visible in upper right corner
An IDE harddisk opened
An IDE harddisk opened view from the top
An IDE harddisk opened (focus on the motor)
HDRI head
IBM DJNA 351520 (15 GB, August 1999)
IBM DJNA 351520 (15 GB, August 1999)
Maxtor 94098H6 (40 GB, July 2000)
Maxtor 94098H6 (40 GB, July 2000)
Western Digital WD800 (80 GB, November 2002)
Western Digital WD800 (80 GB, November 2002)
Western Digital WD2500BB (250 GB, May 2006)
Western Digital WD2500BB (250 GB, May 2006)
Samsung HD400LD (400 GB, February 2007)
Samsung HD400LD (400 GB, February 2007)
Samsung HD753 LJ (750 GB, March 2008)
Samsung HD753LJ (750 GB, March 2008)
Samsung HD753LJ, Opened
Samsung HD753LJ, Actuator
Samsung HD753LJ, Head and platter
Disco duro toshiba de 40 GB para laptop
English: DEC RA60 (205MB) and RA81 (463MB).
English: DEC RA90 (1.2 GB).
Seagate 500gb Barracuda 7200rpm 3.5 SATA Hard Disk. Front and Back. Taken from an Apple iMac
Western Digital 3.5 Hard Disk Caviar 500gb Blue SATA taken from an Apple iMac
IBM
laptop

Opening a Hard disk[edit]

Italiano: Apertura di un hard disk. Il disco visto dalla parte dell'elettronica.
Italiano: Apertura di un hard disk. La parte superiore del disco con le informazioni sulla dimensioni e configurazione.
Italiano: Apertura di un hard disk. Il disco aperto, si notano i disci particolarmente riflettenti.
Italiano: Apertura di un hard disk. Il disco aperto.
Italiano: Apertura di un hard disk. Il disco aperto con la prima calamita del sistema di controllo delle testine rimossa.
Italiano: Apertura di un hard disk. Il disco aperto con le testine e la prima calamita del sistema di controllo delle testine rimosse.
Italiano: Apertura di un hard disk. Particolare dei piatti e della testina.
Italiano: Apertura di un hard disk. Il disco aperto con tutti i componenti in vista.
Italiano: Apertura di un hard disk. Il dischi del disco fisso, e in alto parte della testina. Si nota la caratteristica riflettente dei dischi, che fanno da specchio.