The company claims that they can store up to 1TB (1,000GB) on an optical disc with the same dimensions—only slightly thicker—than a regular DVD and
Mempile in Jerusalem claims that they can store up to 1TB (1,000GB) on an optical disc with the same dimensions—only slightly thicker—than a regular DVD and will be able to store 5TB once the jump to blue lasers is made.
The technology is currently limited to WORM (write once, read many) although the company hopes to have read/write drives available in the future.