Description Speed: 8x maximum write speed (CDR) 6x maximum writing speed (CD+R DL, Double Layer) 6x maximum writing speed (CD-DL, Dual Layer) 8x maximum rewrite speed (CD+RW) 6x maximum write speed (CD-RW) 24 times the maximum reading speed (DVD) 24 times the maximum write speed (CD-R) 24 times the maximum rewrite speed (CD-RW) 24 times the maximum reading speed (CD) Data transfer speed: up to 33.3 MB/s (UDMA mode 2) Supported disc format: DVD-ROM DVDR DVDR DL DVD-RAM DVD-Video ROM CD-ROM CD-DA CD -ROM XA Video CD CD-I Photo CD CD-Extra CD-RW CD-RW High Speed CD-RW Super Speed CD-RW Ultra Speed Plus CD-RW Package includes: 1x USB DVD/CD drive 1x USB data cable 1x USB power cord 1x User Manual Products from NIUNIU's store