HDD Temperature is a very small and very simple program. It runs in background and show in the system tray current temperature of your hard drives. Freeware version monitors only one drive. The "Pro" version (shareware) supports up to four drives and administrators can setup e-mail address or computer name for e-mail and network messages about hard drive overheating.
This is BETA software!, please use caution when installing it on your system
Screenshot: >> Click here
Download: HDD Temperature 1.4.1 beta
News source: softpedia.com