OPTICAL QUANTUM OQBDR06WTP-E-25 25GB 6XBD-R WHITE THERMAL EVEREST HUB PRINTABLE 25PK by Optical Quantum. $41.66. Description:The Optical Quantum Blu-ray 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. Using Optical Quantum exclusive FMS (Flexible Manufacturing System) and sophisticated production know-how brings next generation products like recordable Blu-ray di...