Editing Optical disc (section)

==Specifications==
{| class="wikitable"
|+ Base (1×) and (current) maximum speeds by generation
!rowspan="2"| Generation
! Base
!colspan="2"| Max
|-
! (Mbit/s)
! (Mbit/s)
! ×
|-
| 1st (CD)
| 1.17
| 65.6 || 56× <!-- speeds above 48x can result in [[CD shattering]], and so 48x and 52x are the most common maximum speeds for CD drives, though some drives have been sold at 56x [http://reviews.cnet.com/cd-drives/benq-656a-56x-cd/4505-3207_7-20383339.html] -->
|-
| 2nd (DVD)
| 10.57
| 253.6 || 24× <!-- industry maximum speed currently at 24x [http://www.pioneerelectronics.com/PUSA/Computer/Computer+Drives/DVR-S19MBK] -->
|-
| 3rd (BD)
| 36
| 504 || 14×<ref>{{cite news |url=http://www.cdrlabs.com/Reviews/lg-bh14ns40-14x-blu-ray-disc-rewriter.html |title=LG BH14NS40 14x Blu-ray Disc ReWriter |publisher=CDRinfo.com |url-status=live |archive-url=https://web.archive.org/web/20121011141018/http://cdrlabs.com/Reviews/lg-bh14ns40-14x-blu-ray-disc-rewriter.html |archive-date=2012-10-11 }}</ref>
|-
| 4th (AD)
| ?
| ? || 14×
|}

{| class="wikitable"
|+ Capacity and nomenclature<ref>{{cite web | url = http://www.mpeg.org/MPEG/DVD/Book_A/Specs.html | title = DVD, Book A – Physical parameters | publisher = MPEG | access-date = 2011-10-09 | url-status = live | archive-url = https://web.archive.org/web/20120117074555/http://www.mpeg.org/MPEG/DVD/Book_A/Specs.html | archive-date = 2012-01-17 }}</ref><ref>{{cite web|url=http://www.cinram.com/dvd/tech/dvdindetail.pdf |archive-url=https://web.archive.org/web/20081029171711/http://www.cinram.com/dvd/tech/dvdindetail.pdf |archive-date=October 29, 2008 |title=DVD in Detail |publisher=Cinram |date=27 November 2000 |url-status=unfit }}</ref>
!colspan="2" rowspan="2"| Designation
!rowspan="2"| Sides !!rowspan="2"| Layers<br />(total) !! Diameter !!colspan="2"| Capacity <!-- raw or user data? -->
|-
! (cm) !! ([[Gigabyte|GB]])
|-
| BD ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 7.8
|-
| BD ||title="single-sided, double-layer"| SS DL
|align=right| 1 ||align=right| 2 ||align=right| 8 ||align=right| 15.6
|-
| BD ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 25
|-
| BD ||title="single-sided, double-layer"| SS DL
|align=right| 1 ||align=right| 2 ||align=right| 12 ||align=right| 50
|-
| BD ||title="single-sided, triple-layer"| SS TL
|align=right| 1 ||align=right| 3 ||align=right| 12 ||align=right| 100
|-
| BD ||title="single-sided, Quad-layer"| SS QL
|align=right| 1 ||align=right| 4 ||align=right| 12 ||align=right| 128
|-
| CD–ROM 74 min ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 0.682
|-
| CD–ROM 80 min ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 0.737
|-
| CD–ROM ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 0.194
|-
| DDCD–ROM ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 1.364
|-
| DDCD–ROM ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 0.387
|-
| DVD–1 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 1.46
|-
| DVD–2 || title="single-sided, double-layer"| SS DL
|align=right| 1 ||align=right| 2 ||align=right| 8 ||align=right| 2.66
|-
| DVD–3 || title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 8 ||align=right| 2.92
<!--|-
| DVD–4? ||title="double-sided, double- and single-layer"| DS DL/SL
|align=right| 2 ||align=right| 3 ||align=right| 8 ||align=right| 4.12--><!-- calculated, doubtful such discs ever existed -->
|-
| DVD–4 ||title="double-sided, double-layer"| DS DL
|align=right| 2 ||align=right| 4 ||align=right| 8 ||align=right| 5.32
|-
| DVD–5 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 4.70
|-
| DVD–9 ||title="single-sided, double-layer"| SS DL
|align=right| 1 ||align=right| 2 ||align=right| 12 ||align=right| 8.54
|-
| DVD–10 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 9.40
|-
| DVD–14 ||title="double-sided, double- and single-layer"| DS DL/SL
|align=right| 2 ||align=right| 3 ||align=right| 12 ||align=right| 13.24 <!--calculated from data above-->
|-
| DVD–18 ||title="double-sided, double-layer"| DS DL
|align=right| 2 ||align=right| 4 ||align=right| 12 ||align=right| 17.08
|-
| DVD–R 1.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 3.95
|-
| DVD–R (2.0), +R, –RW, +RW ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 4.7
|-
| DVD-R, +R, –RW, +RW ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 9.40
|-
| DVD–RAM ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 8 ||align=right| 1.46<!--*-->
|-
| DVD–RAM ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 8 ||align=right| 2.65<!--*-->
|-
| DVD–RAM 1.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 2.58
|-
| DVD–RAM 2.0 ||title="single-sided, single-layer"| SS SL
|align=right| 1 ||align=right| 1 ||align=right| 12 ||align=right| 4.70
|-
| DVD–RAM 1.0 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 5.16
|-
| DVD–RAM 2.0 ||title="double-sided, single-layer"| DS SL
|align=right| 2 ||align=right| 2 ||align=right| 12 ||align=right| 9.40<!--*-->
|}