ASUS 8X DVD RW SLIM EXTERNAL, BLACK DIAMOND, RETAIL, NO STAND,for PC,Mac,and Lap (SDRW 08D2S U BLK G AS) Brands_CableMod 2016 Mac OS 10 2016 Mac OS 10 GBIC LRM SFP 10G Fiber LC buffer size 1 MB Writing speed DVD R Double Layer write speed 6x DVD+RW write speed 8x DVD+R Double Layer write speed 6x CD write speed 24x DVD RW write speed 6x CD rewrite speed 16x DVD RAM write speed 5x CD RW write speed 16x DVD+R write speed 8x DVD R write speed 8x CD R write speed 24x Reading speed CD ROM read speed 24x DVD R Double Layer read speed 6x DVD R read speed 6x DVD+R read speed 6x DVD ROM read speed 8x DVD RW read speed 6x CD read speed 24x DVD RAM read speed 5x CD RW read speed 24x CD R read speed 24x DVD+R Double Layer read speed 6x Reading speed DVD+RW read speed 6x Access time DVD drive average random access time 160 ms CD ROM drive average random access time 140 ms Record modes Random write Yes Track at once (TAO) Yes Session at once (SAO) Yes Multi session Yes Sequential writing Yes Disc at once (DAO) Yes Packet writing Yes Operational conditions Operating relative humidity (H H) 15 80% Operating temperature (T T) 5 40 °C Storage relative humidity (H H) 10 90% Storage temperature (T T) 30 60 °C Weight & dimensions Weight 313 g Packaging content Bundled software Cyberlink Power2Go Disc Encryption double security with password controlled and hidden file functionality