Genuine Canon CLI 42 Ink Tank, Magenta 6386B002 Accessories_Networking & Wireless 16 MB s Interface Serial ATA 16 MB s Interface Serial ATA Writing speed DVD R Double Layer write speed 8x DVD+RW write speed 8x DVD+R Double Layer write speed 8x DVD RW write speed 6x DVD RAM write speed 5x CD RW write speed 24x DVD+R write speed 24x DVD R write speed 24x CD R write speed 48x Reading speed CD ROM read speed 48x CD RW read speed 40x CD R read speed 48x Reading speed DVD RW read speed 13x DVD+R Double Layer read speed 12x DVD+RW read speed 13x DVD R Double Layer read speed 12x DVD RAM read speed 7x DVD ROM read speed 16x DVD R read speed 16x DVD+R read speed 16x Access time CD ROM drive average random access time 125 ms System requirements Windows operating systems supported Windows 7 Enterprise Bus powered from laptop so no external power adapter required Item model number: 6386B002 Access to Creative Park Premium when all Genuine Canon Inks are installed