I would like to add a second hard drive to my Dell Optiplex GX620 mini tower but am confused about the specs of the type of drive I should be buying. I do have the optiplex manual which states an internal hard should a be a 1 inch high type? But still don't really understand what I should be looking for? Would I be best buying the same make and model of hard drive that's already installed to make sure it's compatible with my dell optiplex gx620?
Thanks in advance for any advice.