CrystalDiskInfo is a free HDD health monitoring software for Windows. It displays basic HDD information, monitors S.M.A.R.T. values, and disk temperature. Crystal Disk Info is full offline setup installer for PC, check out now! A HDD/SSD utility free software which supports a part of USB connection and Intel RAID.
CrystalDiskInfo Features:
FAQ
Unknown “Buffer Size”
The field of buffer size supports maximum 32 MB and this filed is obsolete.
Unknown “Rotation Rate”
The filed of rotation rate is defined by ATA8-ACS. So, almost disks does not report rotation rate.
No disks
CrystalDiskInfo supports only IDE (Parallel ATA) and Serial ATA disks connected internal ATA controller (Chipset included). Crystal Disk Info supports a part of USB-HDD. CrystalDiskInfo does not support RAID disks and IDE (Parallel ATA) and Serial ATA disks connected external ATA controller.