9118: S.M.A.R.T. Attribute: SATA Downshift Error Count

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Applies to: 

Operating Systems: 

Attribute ID: 183 (0xB7)

Hard drives, supporting this attribute

Samsung, Western Digital


SATA Downshift Error Count S.M.A.R.T. parameter is a Western Digital and Samsung attribute.


This parameter is considered informational by the most hardware vendors. Although degradation of this parameter can be an indicator of drive aging and/or potential electromechanical problems, it does not directly indicate imminent drive failure. Regular backup is recommended. Pay closer attention to other parameters and overall drive health.

More information

See also: S.M.A.R.T. Monitoring.


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