For our normal FUSB, we have 3 versions:
FUSB Standard Version---support one 1.44MB floppy size, USD 80.00 FOB Shenzhen , China per one
FUSB Enhanced Version---support Multiple * 1.44MB floppy size, USD 100.00 FOB Shenzhen , China per one
FUSB Universal Version---support Multiple * floppy size without formatting, USD 120.00 FOB Shenzhen , China per one
This kind version FUSB suit for normal old FDD, like the connector is 34pins, and 1.44MB. We know that it suits for Chinese embroidery machine and SWF machine, some customer use it on keyboard whose old FDD is normal.
We have another special FUSB, used for some special machine, like TAJIMA, BARUDAN, MULLER, SHIMA SEIKI,etc machine.