SSD storage devices are built-in or external devices based on integrated circuit assemblies and flash memory. SSD is an abbreviation for solid-state drive or solid-state device.
These devices have two main bus interfaces:
-
Traditional: Serial AT Attachment (
SATA) -
High speed: Non-Volatile Memory (
NVMe), which is an associated communications standard.
Critical warning for a storage device
Symptoms: Experiencing device slowness or freezing, a longer computer startup time.
Go to Windows Start > Settings > System > Storage > Advanced storage settings > Disks & volumes, then select Properties for the problematic disk to see additional details.
Types of critical warnings
- Spare capacity is low: Spare storage capacity is below the manufacturer's safety threshold.
- Reliability is degraded: Reliability is degraded because of significant media-related errors or an internal error to the NVM subsystem.
- Drive is set to read-only: Data stored on the device can still be accessed but you can’t write to it.
Disk health attributes
- Estimated remaining life: The approximate percentage used, which is based on the manufacturer’s prediction of drive life. Note that although the value is capped at 0%, a value below that is possible as consumption does not automatically mean device failure.
- Available spare: A normalized percentage (0% to 100%) of the remaining spare capacity available.
- Temperature: Temperature of the overall device in degrees Celsius.
Note: This information is only available for NVM SSD and not SATA SSD or hard disk drives (HDD).
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