As everyone knows or is learning after they take the plunge and pick-up an ADAM Computer, the hardest to find and most expensive item to add to your system is the Coleco made 5 1/4" 160K SSDD Floppy Disk Drive. More importantly is the fact that there are usually no guarantees that the drive will be in good operating condition even if the seller states so... you basically have to take an expensive leap of faith. I've taken this leap twice so far and have been, both times with two drives included