If you need extra storage space, the Bytecc is a 3.5-inch floppy drive that provides just that. This product has internal components that must be mounted in a specific spot. The dimensions for the Bytecc are suitable for any unit that requires a floppy disk with a BT-145 part number. The floppy drive is 5.70 inches wide and an inch high. After this accessory is mounted in place, it stands out because the housing has a black bezel design.