OPTICAL DISK HAVING THE CAPACITY OF 400GB

Pioneer has unvailed 400GB blue-ray diskPioneer corporation in Japan has developed world's first 16 layer read-only optical disk.It has a massive cppacity of 400GB.Its each layer contain 25GB.Pioneer said that it is equivalent to blue- ray disk.This multi-layer technology is applicable to all multi-layer recordable disks In the case of multi-layer opticaldisks it is difficult to obtain clear