I was wondering if it's possible to replace the hard drive in this unit and if so, what kind of hard drive will the unit take as a direct replacement?

Thanks much.

I have successfully used toshiba MK4032GAX and Toshiba MK6034GAX. The drive will have to be imaged for it to work in the Z1.

I have successfully used toshiba MK4032GAX and Toshiba MK6034GAX. The drive will have to be imaged for it to work in the Z1.

Meaning the z1/z2/z3 image, correct? Thanks btw

correct.