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Standard lowers power consumption, extends battery life of high-speed devices

12 Jan 2012

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The Serial ATA International Organization (SATA-IO), an industry consortium for Serial ATA (SATA) technology, has announced the completion of the SATA DevSleep, a new feature that reduces power consumption of devices. It enables the development of ultra-portable computing devices based on SATA storage solutions that consume significantly less power than current offerings, resulting in longer battery life and enhanced ease of use.

DevSleep defines the lowest power state for SATA technology, allowing the PHY and other circuitry to be completely powered off. The feature allows devices to be powered on and connected always without unnecessarily reducing battery life.

"Consumers want thinner, faster mobile computing products that can go a long time without being tethered to an outlet," said Mladen Luksic, SATA-IO president. "SATA DevSleep enables manufacturers to take advantage of the cost savings and performance benefits of SATA, while addressing the needs of these low power mobile applications and enabling innovative designs for countless future mobile devices."

Power consumption has become an increasingly critical consideration when selecting data storage components, as consumers are more mobile and less inclined to be "plugged in."

SATA-IO has developed a number of power management protocols to minimize power consumption and extend battery life. DevSleep expands these options by enabling SATA technology to be implemented in ultra-portable devices without negatively impacting battery life or limiting device response time.

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