For an average PC user, there is not much need to know the hard disk read and write speed, but sometimes it is better to know them to know the hard disk working condition. Some antivirus program processes keep running in the background reading and writing some data to the drive. drive speedometer is a free utility that helps monitor hard drive read and write speeds by showing them in the system tray.
If your hard drive speed keeps dropping it is an indicator that your hard drive is getting slower and slower so it is better to backup your data and replace it with a new drive.
Read Acronis Drive Monitor determines the health of your hard drive
This application uses Windows performance counters to display hard disk read and write speeds.
drive speedometer It’s freewareworks on Windows XP/Vista/7.