1, there are five types of DVD-R, DVD-RW, DVD+R, DVD+RW and DVD-RAM.
2. There are four types of DVD burning discs: DVD5, DVD 10, DVD9 and DVD 18.
3. According to the capacity, there are four kinds of DVD discs: 4.7G, 8.5G, 9.4G, 17G.
4. According to the speed of DVD recording, there are nine common double speeds: 1X, 2X, 3X, 4X, 5X, 6X, 8X, 12X, 16X.
5.DVD-R and DVD+R are one-time burning discs, which cannot be burned when the capacity is full or "Close Disc" is selected in the burning software window.
6.DVD-RW and DVD+RW are duplicate discs. After carving is completed, select "Erase Disc" in the burning software to clear the original data before carving.
7.DVD-RAM is an optical hard disk. In the operating system, it is formatted as FAT32 like a U disk, and then it can be written, deleted, modified and modified like a U disk.
8. DVD5 is a 4.7G single-sided single-layer DVD recording disc, and DVD 10 is a 9.4G double-sided single-layer DVD recording disc.
9. DVD9 is an 8.5G single-sided double-layer DVD burner, and DVD 18 is a 17G double-sided double-layer DVD burner.
10, single-sided and double-layered DVD discs are marked with DL, and double-sided and single-layered DVD discs are rare.
1 1, DVD- specification is a DVD forum standard, which perfectly supports DVD players; DVD+ is a DVD alliance standard, which supports computers well.
The common rates of 12, DVD-R and DVD+R are 2X, 4X, 6X, 8X, 12X and 16X.
There are five common rates of 13, DVD-RW and DVD+RW: 2X, 4X, 6X, 8X, 12X.
14, DVD-R DL, DVD+R DL: 2X, 4X, 6X, 8X.
15 and DVD-RAM have three common rates: 2X, 3X and 5X. As for packaging, there are packaging specifications such as 1 tray, 10 tray and 50 tray.
16, many manufacturers, too numerous to mention. Brand positioning generally includes platinum plate, gold plate, silver plate and ordinary plate. , indicating grade rather than real gold.
17, high grade means high quality, solid materials, stable and durable recorded data and long service life. The color of the disc does not determine the quality. Don't be confused.
18, the higher the double speed, the faster the burning support speed and the shorter the waiting time. High-speed disks are also expensive.