yes but it would have to be sat on the zip , and would have to be mounted/gooped horizontally across the middle of zip drive,

(right between the tube and the video board)

I have a Molex Y adaptor in there right nowjust incase I decided to do such a thing

and I'v already set the ZIP SCSI ID to 3. to avoid ID conflicts.

Should be some room for a pds card, it would have to be a shorter one to clear the horizontally mounted HD (if installed)