A direct access storage device that is written and read by light. The most common types are CD, DVD and Blu-ray. As removable media, optical discs superseded the earlier magnetic disk cartridges ...

If you are looking for ways to make sure even your older Blu-rays perform as well as they can with your new 4K TV, this UBP-X700M model is a 4K Blu-ray player with excellent upscaling even for ...