Philips SPD6005BD DVD 20x ReWriter Internal Drive. CD rewrite speed: 24X by CAV, DVD+R write speed: 20X, DVD-R Double Layer write speed: 12X. CD-R read speed: 48X by CAV, DVD-RAM read speed: 5X by PCAV, DVD-ROM read speed: 16X by CAV. Access time: 160 ms. Drive device, buffer size: 2 MB. Plug and Play: Plug & Play