DVD Rewriter uses optimized disc burning for making backups.

Press Release Summary:

Model DRW-20B1S/B1ST supports range of media and speeds, including 12X DVD-RAM write, 20X DVD+/-R, and 12X DVD+/-R double layer media sources. Encompassing media and drive variations as well as operating temperatures into its calculations, integral Optimal Tuning Strategy technology automatically adjusts burning for best quality disc backups. E-Green Engine, activated when drives are idle for 2.5 min, promotes energy conservation by closing drive applications when not in use.

Original Press Release:

ASUS DRW-20B1S/B1ST X-Multi Drive with Optimal Tuning Strategy Provides Automatically Optimized Disc Burning for the Best Quality Backups

Taipei, Taiwan, May 9, 2008 - Catering to users that demand increased data storage, ASUS, a leading provider of high-performance optical storage devices, today announced the new DRW-20B1S/B1ST - an industry leading DVD rewriter that supports 12X DVD-RAM write, 20X DVD+/-R and 12X DVD+/-R double layer media sources. It also features Optimal Tuning Strategy - a technology that automatically adjusts burning for optimum disc backups; and E-Green Engine for great energy savings.

Automatic Adjustments for Optimum Disc Backup with Optimal Tuning Strategy (OTS)
The ASUS DRW-20B1S/B1ST is equipped with an innovative feature - Optimal Tuning Strategy (OTS) that provides users with improved disc burning for better total write quality. With OTS, the drive will perform a test burning before really burning the disc, and OTS is intelligent enough to encompass both media and drive variations, as well as operating temperatures into its calculations - allowing it to provide the optimal write speeds to produce the optimal burning strategy for the new disc. After the disc is burnt, OTS memorizes the particular type of disc, and will utilize the same burning strategy when the same type of disc is used. This not only reduces the possibility to burn unplayable discs, it also provides high quality backups and improves compatibility so that the disc can more easily be read by other drives; as well as extends the lifetime of drives.

Enjoy Energy Savings with E-Green Engine (Energy-Green Engine)
Another innovation of the DRW-20B1S/B1ST is the E-Green Engine technology. This handy feature provides an E-Green Mode which activates when the drives are idle for 2.5 minutes. Once activated, drive applications are closed when not in use to help conserve energy - helping the environment by saving energy, and in turn decreasing CO2 emissions and reducing the depletion of trees. According to in-depth calculations: on average, the PATA and SATA versions of the drive will provide 75% and 27% power savings respectively over competing solutions.

Versatility with Multiple Media Formats
Flexibility for a wide array of media formats is also very important. The ASUS DRW-20B1S/B1ST offers both 20X DVD-Write and 20X DVD+Write, making it capable of reading from and writing on DVD-Write/ Rewrite and DVD+Write/ Rewrite formats. With dual-format adopting features, the DRW-20B1S/B1ST is able to create DVDs that can be played and read by most DVD-ROM drives and DVD players. It also enables 12X DVD-RAM, 6X DVD-Rewrite, 8X DVD+Rewrite, 16X DVD-ROM single layer, 48X CD-R, 32X CD-RW and 48X CD-ROM capabilities - providing flexible and high-speed operations for a variety of formats.

New Generation Airflow Field Modification (AFFMII)
Noise and vibration are two major headaches users encounter when using a high-speed drive. AFFMII is designed to change the uneven airflow field inside the drive to balance pressure distribution - leading to quieter and more stable operations.

Auto Vibration Reducing System (AVRS)
The AVRS technology is designed to minimize the vibrations caused by the spindle motor and resonance between components, as well as the drive and PC chassis. AVRS is designed to reduce vibration and noise induced by unbalanced mass of rotating machinery. With AVRS, the DRW-20B1S/B1ST will provide high readability and playability.

Write Speed, DVD-R: 20X, 16X, 12X, 10x,8X, 6X, 4X
DVD-RW: 6X, 4X, 2X
DVD+R: 20X, 16x, 12X, 10x, 8X, 6X,4X,
DVD+RW: 8X, 6X, 4X, 2.4X
DVD+R(DL): 12X, 8X, 6X, 4X
DVD-R (DL): 12X, 8X, 6X, 4X,
CD-R: 48X,40X, 32X, 16X
CD-RW: 32X, 24X, 16X, 10X, 4X
DVD-RAM: 12X, 8X, 6X, 5X, 3X,2X
Read Speed, DVD-ROM (Single): 16X max. (CAV)
DVD-ROM (Dual): 12X max. (CAV)
CD-ROM: 48X max. (CAV)
DVD+R (DL): 12X
DVD-R(DL): 12X
CD-R: 40X
CD-RW: 40X
Access Time, DVD: 140 ms and CD: 150 ms
Writing ModeDVD-R & DVD-R (DL): DAO, Incremental Recording (Multi-Border Recording)
DVD-RW: Restricted Overwriting, DAO, Incremental Recording (Multi-Border Recording)
DVD+R & DVD+R (DL): Sequential Recording (Multi-Session Recording)
DVD+RW: Random Recording
CD-R/RW: DAO, TAO, SAO, Packet Recording (Multi-Session Recording)
O/S Compatibility: Windows XP/NT/2000/VISTA
Interface: PATA/SATA
Data Buffer: 2 MB
Bundle Software: Latest Nero 8 Burning Software
Dimension: 41.3(H) * 146.0(W) * 170.0(D) mm
Weight: 610g

For more information regarding ASUS optical storage devices or other quality products, please visit the company webpage at www.asus.com

ASUS is a leading company in the new digital era. With a global staff of more than 8000 and a world-class R&D design team, the turnover for 2007 was 6.9 billion U.S. Dollars. ASUS has been ranked in Business Week InfoTech 100 for 10 consecutive years, and has been ranked No.1 by the Wall Street Journal Asia for best quality products in Taiwan.

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