The error message Please back up your data and replace your hard disk drive indicates a failing hard drive. Therefore, you need to replace it. However, in some cases ...

From what I can tell SMART analysis, as supplied by testing tools comes in 2 forms, simple and complex. "Simple" reporting seems to be used on tools like Disk Utility, Scannerz, and SMARTReporter.

What Are Disk Speed Test Apps? Disk speed test apps help measure the overall speed and performance of a hard drive or solid-state drive (SSD) (internal or external) connected to a computer system.

At GamesRadar+, our testing of storage devices comes down to value for money. We want to thoroughly test out these drives so you know how they perform when you're computing, gaming, or creating ...

I have a late 2006 (plastic) iMac. It started acting up a little so I ran Scannerz w/FSE on the drive to scan it, and sure enough it found bad sectors plus a fair number of sectors that are damaged ...