{{위키데이터 속성 추적}}
{{다른 뜻|기억 장치||일반 개념}}
'''디지털 데이터 스토리지'''(Digital Data Storage, DDS)는 1980년대에 개발된 DAT([[디지털 오디오 테이프]]) 형식을 기반으로 하는 컴퓨터 데이터 저장 기술이다. DDS는 주로 오프라인 저장소, 특히 작업 데이터의 백업 복사본을 생성하는 용도로 사용된다.

== 세대 ==
{| class="wikitable" style="text-align:right"
|+ DDS 세대
! 포맷
! 날짜
! abbr="Width" | Tape<br />width<br/>(mm)
! abbr="Track" | Track<br />pitch<br />(μm)
! abbr="Length" | Tape<br />length<br />(m)
! abbr="Capacity" | Native<br />capacity<br />(GB)
! abbr="Compressed" | Capacity assuming<br />2:1 compression<br>(GB)
! abbr="RPM" | Drum rotation<br />speed<br />(RPM)
! abbr="Speed" | Data transfer<br />speed<br />(MB/s)
|-
! DDS-1
| 1989
| 3.81
| 13.6
| 60/90
| 1.3/2.0
| 2.6/4
| 2000, 2551
| 0.183
|-
! DDS-2
| 1993
| 3.81
| 9.1
| 120
| 4.0
| 8
| 4000, 4400, 5737, 8500
| 0.360-0.720
|-
! DDS-3
| 1996
| 3.81
| 9.1
| 125
| 12.0
| 24
| 3825, 4252
| <1.5
|-
! DDS-4
| 1999
| 3.81
| 6.8
| 150
| 20.0
| 40
| 11400
| 1.0-3.2
|-
! DAT-72
| 2003
| 3.81
| 5.4
| 170
| 36.0
| 72
| 8609.7, 10000
| 3.2
|-
! DAT-160
| 2007
| 8
| 6.8
| 154
| 80
| 160
| 6457
| 6.9
|-
! DAT-320
| 2009
| 8
|
| 153<ref>{{웹 인용|url= http://h30094.www3.hp.com/product/sku/10209877/mfg_partno/Q2032A |title= HP DAT 320 320GB Data Cartridge - DAT & DDS tape cartridges - HP: Q2032A |publisher= Hewlett-Packard |access-date= 2013-12-31 |archive-url= https://web.archive.org/web/20140101091210/http://h30094.www3.hp.com/product/sku/10209877/mfg_partno/Q2032A |archive-date= 2014-01-01 |url-status= dead }}</ref>
| 160
| 320
|
| 12
|-
! (Gen 8)
| canceled
| 8
|
|
| ~300
| ~600
|
| ≥16
|}

== 같이 보기 ==
* [[자기 저장]]

== 각주 ==
{{각주}}

== 외부 링크 ==
* [https://web.archive.org/web/20130531190032/http://dat-mgm.com/ DAT Manufacturers Group]
* [https://www.ecma-international.org/publications/standards/Ecma-139.htm ECMA-139] ''ISO/IEC 10777:1991'', Specification of '''DDS'''. [http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-139.pdf ECMA-139]
* [https://www.ecma-international.org/publications/standards/Ecma-146.htm ECMA-146]  ''ISO/IEC 11321:1992'', Specification of '''DATA/DAT'''. [http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-146.pdf ECMA-146]
* [https://www.ecma-international.org/publications/standards/Ecma-150.htm ECMA-150]  ''ISO/IEC 11557:1992'', Specification of '''DDS-DC''' (DDS w/ compression). [http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-150.pdf ECMA-150]
* [https://www.ecma-international.org/publications/standards/Ecma-151.htm ECMA-151]  ''ISO/IEC 11558:1992'', Specification of '''DCLZ''' (compression algorithm). [http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-151.pdf ECMA-151]
* [https://www.ecma-international.org/publications/standards/Ecma-170.htm ECMA-170] ''ISO/IEC 12447:1993'', Specification of '''DDS''' (for 60m and 90m tapes). [http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-170.pdf ECMA-170]
* [https://www.ecma-international.org/publications/standards/Ecma-171.htm ECMA-171] ''ISO/IEC 12448:1993'', Specification of '''DATA/DAT-DC''' (for 60m and 90m tapes). [http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-171.pdf ECMA-171]
* [https://www.ecma-international.org/publications/standards/Ecma-198.htm ECMA-198] ''ISO/IEC 13923'', Specification of '''DDS-2'''. [http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-198.pdf ECMA-198]
* [https://www.ecma-international.org/publications/standards/Ecma-236.htm ECMA-236] ''ISO/IEC 15521'', Specification of '''DDS-3'''. [http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-236.pdf ECMA-236]
* [https://www.ecma-international.org/publications/standards/Ecma-288.htm ECMA-288] ''ISO/IEC 17462'', Specification of '''DDS-4'''. [http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-288.pdf ECMA-288]
[[분류:파일 포맷]]