The ASUS DRW-24B3ST/LT DVD Drive features E-Green drive automatically optimizes your drives power consumption. E-Green displays detailed information on power saved and CO2 reduced using the ASUS drive. With Optical Tuning Strategy, or OTS, the drive will perform a test before really burning which generate the optimal burning strategy automatically for the best burning quality. The write parameters will be tuned automatically be drives based on the recorded write quality. E-Hammer allows you to permanently delete the data on writable disc (CD-R and DVD-R) formats. Once the data is deleted, it cannot be recovered or restored, and teh optical drive will not be able to read the disc. This ensures data security, eliminates the hassle of scratching your old discs, and conforms with our commitment to environmental protection. The AVRS technology is designed to minimize the vibration caused by the spindle motor and resonance between components as well as the drive and PC cases. AVRS is designed to reduce vibration and noise induced by unbalanced mass of rotating machinery. With AVRS, ASUS DRW-24B3ST/LT DVD Drive provides high readability and playability.