ASUS DVD-E818A9T - internal 18X DVD-ROM with M-DISC support 18X DVD reading speed E-Green technology auto-closes drive application when not in use, saving over 50% power savings for users E-Media provides a quiet usage environment Shop Modal header The Most Energy Saving Drive E-Green auto-closes drive application when not in use, saving over 50% power consumption for users Quiet Track Delivery E-Media provides a quiet usage environment and the best media experience The Best Usage Environment AVRS technology reduces the vibration and noise during disc rotation in order to create a quiet usage environment