Yes. Although there are more high capacity disks out there.
optical disk
optical dish
pits
blu-ray
DVD RoM
It's called a High-Capacity CD.
The Holographic Versitile Disc is capable of a 6TB (Six Terbyte) Capacity on a single CD-ROM sized disc. This is possible by the use of Multiple Lasers at Multiple Angles hence the name Holographic. Lower Capacity versions contain 500GB (Five Hundred Gigabytes) to 2TB (Two Terabytes) of information, which use a similar technique, but do not allow for high density data such as the 6TB model.
Optical use a laser to read and write data .Optical disks have very large storage capacity but they are not fast as harddisk .There are major types of optical disk 1.CD-Rom 2 Worm 3.Eraser Advantage's optical disks has a very high storing capacity ,inexpensive has along life of at least 25 years .
hard disk
Digital Video Disc or Digital Versatile Disc DVD ("Digital Versatile Disc", often incorrectly explained as "Digital Video Disc") is an optical disc storage media format that can be used for data storage, including movies with high video and sound quality.
Wikipedia, the free encyclopedia says, "A Blu-ray Disc(also called BD) is a high-density optical disc format for the storage of digital media, including high-definition video." It was developed by Blu-Ray Disc Association, and it is similar to Sony's PDD.
Blu-ray or Blu-ray Disc is a digital optical disc data storage format. It was designed to supersede the DVD format, and is capable of storing several hours of video in high-definition.
well it dependsss. simple dvd= 4.3 gig DVD-9= 9 gig and HD-DVD= 28 gig all these are good but i would prefer the blu ray disk cuz it has a capacity of 50 gig and has the ability to show 1080p resolution picture which is the maximun nowadays