DevSlp

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DevSlp or DevSleep (sometimes referred to as device sleep or SATA DEVSLP) is a feature in some SATA devices which allows them to go into a low power "device sleep" mode when sent the appropriate signal, which uses one or two orders of magnitude less power than a traditional idle (about 5 mW,[1] but some drives can get as low as 2.5 mW[2]). The feature was introduced by SanDisk[3] in a partnership with Intel.[4] Some think that the initiative could make laptops feel like they power on basically instantaneously,[5] while others state that this means that laptops can stay on all the time, and always be available without an adverse affect on battery life.[6]

References

  1. ^ Tom's Hardware review of BIWIN announcement of using DevSlp
  2. ^ Tom's Hardware review of the Transcend SSD340
  3. ^ Toms Hardware DevSlp initative
  4. ^ StorageReview coverage of DevSlp standard
  5. ^ Techspot review of feature
  6. ^ MaximumPC review of feature


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