However, scientists have created a new type of optical laser that could increase the data capacity of a single DVD to one petabyte. This would certainly bring back optical media in a big way. Currently a single-layer DVD can fit around 4.7GB of data, while a dual-layer can fit double that.

4.7 GB
You need a standard 4.7 GB DVD disk.

Open ISO, click “bootable,” select “write disk image,” select the USB stick you have plugged in, and click “burn.” Don’t think I’ve used a bootable DVD in….

Many DVDs contain more video and data information than will fit to a standard DVD’s 4.7GB of storage space. That’s where dual-layered DVDs come in. Dual-layered discs can store up to 8.5GB of data. If you don’t have a dual-layered disc on hand though, you can make a 7.5GB DVD file work on a 4.7GB disc.

Generally, there are four popular DVD sizes: DVD-5, DVD-9, DVD-10 and DVD-18. Now let’s have a look at these different DVD sizes. DVD-5: DVD-5 is a single sided single layer disc that can store up to about 4.7 GB = 4 700 000 000 bytes and that is 4.38 computer GigaBytes of data on it. Video DVD, DVD-R/W and DVD+R/W support DVD-5 well.

This construction nearly doubles DVD capacity, and it’s why they’re called dual-layer DVDs. Formatting a single-layer DVD can’t physically give it an extra writable layer. If you need to write files larger than 4.7GB onto a single-layer DVD, you need to change the data instead of the disc.

DVD-5, DVD-10, DVD-9 and DVD-18 DVD-5: DVD-5 is a single sided single layer disc that can store up to about 4.7 GB = 4 700 000 000 bytes and that is 4.38 computer GigaBytes of data on it. Video DVD, DVD-R/W and DVD+R/W support DVD-5 well. DVD-9: DVD-9 is a single-sided dual-layer DVD disc that can contain up to 8.5 GB or 7.95 computer GB.