S.M.A.R.T. Software from WD

Here is the download page for S.M.A.R.T. software from Western Digital. It reads other drives that support S.M.A.R.T. so the manufacturer is not the crucial point with these diagnostics.

WD Support > Downloads > SATA Hard Drives > WD Caviar Blue / SE / SE16 (SATA II)

Another tool for WD Elements hard drive is the Spindown or Stop Utility.

WD Support > Downloads > WD Elements > WD Elements Portable