Internal: Y Product colour: Black Purpose: Notebook Optical drive type: Blu-Ray RW Interface: Serial ATA CD write speed: 24 CD rewrite speed: 16 BD-R write speed: 6 BD-RE write speed: 2 DVD+R write speed: 8 DVD-R write speed: 8 DVD-R Double Layer write speed: 6 DVD+R Double Layer write speed: 6 DVD+RW write speed: 8 DVD-RAM write speed: 5 CD read speed: 24 BD-ROM read speed: 6 DVD-ROM read speed: 8 DVD drive average random access time: 185 CD-ROM drive average random access time: 165 BD-ROM average random access time: 205