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Home > Resource > DVD-RAM Disc - Details on Panasonic DVD-RAM Discs
What is DVD-RAM Disc?
If you want to know more about DVD-RAM disc, you can rightly get the basic knowledge about it in this page. DVD-RAM is the first come out rewritable DVD standard developed by Hitachi, Matsushita and Toshiba and other manufacturers. Relatively speaking, DVD-RAM format features in fast burning speed, high data reliability and easy store operation.
Its greatest advantage is to support random data storage. That is to say, when you load your DVD-RAM disc, you can just take the DVD drive as a hard disk. It means that you can use the mouse to add and delete data by directly dragging, which is more in line with the general habits of the users' accessing. And the rewritable test on DVD-RAM is much higher than DVD-RW or DVD+RW. The latter two are basically in 1000 times of rewriting, while DVD-RAM disc rewritable times can reach 10 million times.
Tips: If you are trying to write or copy data on DVD-RAM format discs via your Mac computer, you may have a try with the Wondershare DVD Copy for Mac. This software allows you to copy DVD to any kinds of blank DVD disc within a few easy mouse clicks.
DVD-RAM Disc Capacity
 Here we just take Panasonic DVD-RAM rewritable DVD discs as example to tell you the details of DVD-RAM. There are two main capacities of DVD-RAM format discs. One is 4.7GB and the other is 9.4GB. Currently, most of DVD-RAM discs support the rewriting at speed 5X. But the 12X DVD-RAM also has been sold at the same time for the reason that some burners have been set to support 12X speed rewritings. You can just get the detail specifications of DVD-RAM disc from the chart below.
DVD-RAM Specifications
| Storage Capacity |
2.6 GB for Single-sided Disc, 5.2 GB for Double-sided |
| Disc Diameter |
80-120mm |
| Disc Thickness |
1.2mm (0.6mm*2, Bonding Structure) |
| Burning Method |
Phase Change Technology |
| Laser Wavelength |
650 nm |
| Data Bit Length |
0.41 - 0.43 Micron |
| Recording Track Interval |
0.74 Micron |
DVD-RAM disc has the advantage of a very short time on formatting which can be get in less than 1 minute. And the formatted discs can be written and erased without using special software. So it can be used as easily as a floppy disk. But this kind of disc can only be used in the computer with related drive. Compared with other formats DVD discs, DVD-RAM rewritable DVD discs more like the dedicated and high-performance DVD products.
Tips: Once you got a DVD-RAM disc and want to burn your collected video files to the disc on your Mac, the iSkysoft DVD Burner for Mac can easily help you realize the task easily and quickly.
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