Desktop/Laptop Blu-Ray RW USB 2.0 & eSATA Tray BD, BD-R, BD-RE, BD-RE DL, BD-ROM, CD, CD-DA, CD-R, CD-ROM, CD-RW, DVD, DVD+R, DVD+R DL, DVD+RW, DVD-RAM, DVD-ROM, DVD-RW Black LG Slim Portable Blu-ray BD-W Reading speed DVD+R Double Layer read speed 8x DVD+RW read speed 8x DVD+R read speed 8x DVD-R read speed 8x DVD-RW read speed 8x DVD-RAM read speed 5x DVD-ROM read speed 8x DVD-R Double Layer read speed 8x BD-ROM read speed 6x BD-R Dual Layer read speed 6x BD-R read speed 6x BD-RE Dual Layer read speed 6x BD-RE read speed 6x CD-R read speed 24x CD-RW read speed 24x CD-ROM read speed 24x CD read speed 24x Access time CD-ROM drive average random access time 200 ms BD-ROM average random access time 250 ms DVD-RAM access time 230 ms DVD drive average random access time 200 ms Record modes Track-at-once (TAO) Yes Disc-at-once (DAO) Yes Session-at-once (SAO) Yes Packet writing Yes Sequential writing Yes Random write Yes Layer Jump Recording Yes System requirements Windows operating systems