What are some alternatives?
When comparing HDAT2 and Hard Disk Sentinel, you can also consider the following products
HD Tune - HD Tune Pro is a hard disk / SSD utility with many functions. It can be used to measure the drive's performance, scan for errors, check the health status (S. M. A. R.
CrystalDiskInfo - CrystalDiskInfo. A HDD/SSD utility software which supports a part of USB connection and Intel RAID. >> Download. Intel RAID (IRST). IRST 11.
MHDD - MHDD is the most popular freeware program for low-level HDD diagnostics.
GSmartControl - Hard disk drive health inspection tool
HDD Regenerator - HDD Regenerator is a unique program for regeneration of physically damaged hard disk drives.
SeaTools - SeaTools - Quick diagnostic tool that checks the health of your drive.