HDD

Health Status	Color	Description
Good	Blue
Caution	Yellow
Bad	Red
Unknown	Gray

CrystalDiskInfo reports “Caution” if it detects the raw value over the threshold value (Health Status Setting)

• 0x05: Reallocated Sectors Count
• 0xC5: Current Pending Sector Count
• 0xC6: Uncorrectable Sector Count

Reference

• Failure Trends in a Large Disk Drive Population (PDF) [en]
  – Eduardo Pinheiro, Wolf-Dietrich Weber and Luiz Andre Barroso – Google Inc

SSD

Intel, MTRON, SAMSUNG, Indilinx, SandForce, JMicron JMF61x and Micron controller SSD

Health Status	Color	Description
Good	Blue
Caution	Yellow	Remaining Life <= 10%
Bad	Red	Remaining Life < Threshold value (Vendor Define)

Reference S.M.A.R.T. Attribute ID

• Intel : 0xE8, Available Reserved Space
• MTRON : 0xBB, Total Erase Count
• SAMSUNG : 0xB4, Unused Reserved Block Count (Total) / Used Reserved Block Count (Total)
• Indilinx : 0xD1, Remaining Drive Life
• SandForce : 0xE7, SSD Life Left
• JMicron JMF61x : 0xAA, Bad Block Count
• Micron : 0xCA, Percentage Of The Rated Lifetime Used

Other SSD

Health Status	Color	Description
Good	Blue
Caution	Yellow	Remaining Life <= 10%
Bad	Red	Remaining Life < Threshold value (Vendor Define)
Unknown	Gray