The Optical Quantum Blu-ray Rewritable Disc series is on the cutting edge of technology using a blue-violet laser to record either high-definition (HD) video or high capacity gigabyte data files. Plus these discs offer the ability to rewrite content over and over which is especially useful for those that need to consistently update data or files onto large capacity discs. Using Optical Quantum"s rewritable (BD-RE) discs gives the user the flexibility and affordability to copy content as often as needed without wasting discs.