How much data can i put on a dvd

How much data can be written to a 4. Hi All, I produced two coasters while trying to backup files from my harddrive. To minimise the number of disks I have to burn I tried to get each disk as close to full as possible. I figured this was around 4. I removed some files and was now 11MB under. Anyway, the write seemed fine, the buffer never got low. When verifying the two failed disks, each of which contained the same set of files, the verify failures started on the same file about half way through the set.

Both disks seemed to be corrupted in the same way. I managed to get a working disk by removing another 30MB of files. I don't know where in the image they would have ended up.

What I'm wondering about is did I attempt to put too much data on the disk. Roxio's Disk Information stated that there were free sectors MB on the blank disc. The amount of data that I was failing to write was more like 4,,, bytes which is under. Is my maths wrong? Are there error-correction sectors that have to be written but aren't accounted for, or possibly bad sectors that need to be mapped out but can't be due to a full disk, or anything along those lines?

If I did put too much data on the disk, what is the correct limit? Much appreciate any insight anyone can provide. All forum topics Previous Topic Next Topic. Develop and improve products. List of Partners vendors. Sal Prince. Sal Prince is a former Lifewire writer and a video production professional and tech enthusiast who has written extensively about electronics and DVRs. Updated on May 01, Tweet Share Email. Was this page helpful? Thanks for letting us know! Email Address Sign up There was an error.

Please try again. You're in! Thanks for signing up. There was an error. Tell us why! More from Lifewire. Bit Depth vs. Bit Rate in Audio Recording.

Some types of these cartridges may be opened to allow the discs to be removed while others come permanently sealed. Are dual-layer writable DVD discs available? Manufacturers are developing 8. Although they approximate dual-layer prerecorded DVD-9 discs be aware that, due to various technical issues, such writable discs may not be read compatible with some older computer DVD-ROM drives and DVD players and they will not be write-compatible with older recorders.

If in doubt, check with the hardware manufacturer. What blank writable disc capacities are available? Manufacturers express disc capacity in terms of how much computer data a disc can contain. DVD-R discs compatible with first generation recorders version 1. Keep in mind that manufacturers quote the capacity of a writable DVD disc in decimal base 10 rather than binary base 2 notation so a 4. How much information can actually be stored on writable DVD discs? All writable DVD formats devote the same amount of usable space to data 2, bytes per sector.

For example, a 4. This rounds to roughly 4.