How to read Crystal Disk Info
CrystalDiskInfo is a HDD/SSD utility software which supports a part of USB, Intel RAID and NVMe.
Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T., often written as SMART) is a monitoring system included in computer hard disk drives (HDDs) and solid-state drives (SSDs).
Its primary function is to detect and report various indicators of drive reliability with the intent of anticipating imminent hardware failures.
Each vendor has their own interpretation of SMARTs. They only follow a few rules. One important rule is, current value must be higher than threshold, or the drive is officially considered failed.
Most parameters basically just collect diagnostic information however the ones listed as "critical" are important to watch:
- Reallocated Sectors Count
- Spin Retry Count
- Reallocation Event Count
- Current Pending Sector Count
- Uncorrectable Sector Count
Current, Worst, and Threshold are sort of like scores, the higher they are, the better that parameter is. It's usually better to just look at the raw values though.
Links:
crystalmark.info/en/software/...
en.wikipedia.org/wiki/Self-Mo...
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