Is it bad?

Is it bad if my HDD are getting hot? they do it when i'm playing games for a while.

 

Not necessarily, unless they overheat. Fast spinning HDD's get pretty hot though, like 50+ish degrees Celsius. 15krpm server grade HDD's get really hot in comparison to desktop HDD's though, nothing immediate to worry about lol

How hot does it get? a program like Defraggler/HWmonitor can report the temperate of drives.

does anyone know of a better program to see drive temperatures? I looked at my own and defraggler can't report the health of individual drives in my raid.

I don't Know about raid systems but siw (system information for windows) does a pretty good job of giving you info on almost everything, it's free. 

http://blogs.msdn.com/b/san/archive/2012/09/26/determining-disk-health-using-windows-powershell.aspx

That's the easiest way imo.

open hardware  monitor should ,i think speed fan can do it  also if you can find a program that can pull SMART data from the drive you can monitor it.  

i will check my temperatures.