DVD刻录速度

DVD写入速度型1x表示写入速度为1,385 kB/s

DVD drive speeds

Drive speed	Data rate		~Write time (minutes)[24]
	Mbit/s	MB/s	Single-Layer	Dual-Layer
1×	11.08	1.39	57	103
2×	22.16	2.77	28	51
2.4×	26.59	3.32	24	43
2.6×	28.81	3.60	22	40
4×	44.32	5.54	14	26
6×	66.48	8.31	9	17
8×	88.64	11.08	7	13
10×	110.80	13.85	6	10
12×	132.96	16.62	5	9
16×	177.28	22.16	4	6
18×	199.44	24.93	3	6
20×	221.60	27.70	3	5
22×	243.76	30.47	3	5
24×	265.92	33.24	2	4

CD,DVD,Blu-ray Disc的速度。

Medium	1X speed			Capacity (GB)	Full Read Time (min)
	Mbit/s	kB/s	KiB/s
CD	1.229	153.6	150.0	0.734	80
DVD	11.080	1,385.0	1,352.5	4.7	57
Blu-ray Disc	36.000	4,500.0	4,394.5	25.0	93

DVD容量

Designation		Sides	Layers (total)	Diameter (cm)	Capacity
					(GB)	(GiB)
DVD-R	SS SL (1.0)	1	1	12	3.95	3.68
DVD-R	SS SL (2.0)	1	1	12	4.70	4.37
DVD-RW	SS SL	1	1	12	4.70	4.37
DVD+R	SS SL	1	1	12	4.70	4.37
DVD+RW	SS SL	1	1	12	4.70	4.37
DVD-R	DS SL	2	2	12	9.40	8.75
DVD-RW	DS SL	2	2	12	9.40	8.75
DVD+R	DS SL	2	2	12	9.40	8.75
DVD+RW	DS SL	2	2	12	9.40	8.75
DVD-RAM	SS SL	1	1	8	1.46	1.36*
DVD-RAM	DS SL	2	2	8	2.65	2.47*
DVD-RAM	SS SL (1.0)	1	1	12	2.58	2.40
DVD-RAM	SS SL (2.0)	1	1	12	4.70	4.37
DVD-RAM	DS SL (1.0)	2	2	12	5.16	4.80
DVD-RAM	DS SL (2.0)	2	2	12	9.40	8.75*