i have never done this before but heard you can install an internal hard drive for the KN6500??

Basically i want to expand the 20 custom style spots to alot more as i fear i will fill this up quite fast at the current rate i am going.

is it just as simple as buying a laptop or PC harddrive from a computer shop and connecting it inside the keyboard like a PC? (I am fluent with doing this in PC's).

OR is it a proprietary technics piece of equipment.??

thanks