Aleratec 260148 Copy Cruiser Pro LS CD/DVD Duplicator. CD write speed: 24 x, CD rewrite speed: 48 x, DVD+R write speed: 16 x. CD read speed: 48 x, DVD-ROM read speed: 16 x, CD-ROM read speed: 48 x. DVD drive average random access time: 160 ms, CD-ROM drive average random access time: 160 ms. Drive device, buffer size: 2 MB, Interface: USB. Media types supported: CD-R/CD-RW/DVD-R/DVD-RW/DVD+R/DVD+RW/DVD+R DL