CrystalDiskInfo

CrystalDiskInfo is a free Windows-based HDD health monitoring utility. It shows basic HDD information, S.M.A.R.T. readings, and disk temperature. Crystal Disk Info is a complete offline setup installer for PC; try it out now! A free HDD/SSD utility software that includes support for USB connections and Intel RAID.

Features and Highlights

• Supports a portion of external USB drives. 
• Monitor health status and temperature, receive alerts, and view S.M.A.R.T. graphs. 
• Control AAM/APM Settings 
• Controller Information 
• General Information 
• S.M.A.R.T. Information. 
• Result of the IDENTIFY DEVICE command 
• Results of the SMART READ DATA command 
• Result of the SMART READ THRESHOLD command

FAQ

Unknown "Buffer Size" 
The buffer size field can only allow a maximum of 32 MB and is now obsolete. 

Unknown "rotation rate" 
The field of rotation rate is established by ATA8-ACS. Almost all disks do not report their rotation rate. 

No disks
CrystalDiskInfo only supports IDE (Parallel ATA) and Serial ATA disks attached to an internal ATA controller (chipset included). Crystal Disk Info supports a portion of USB-HDD. CrystalDiskInfo does not handle RAID drives, IDE (Parallel ATA), or Serial ATA disks attached to an external ATA controller.

Thank you for choosing Filesalad

Also, check out: CPU-Z