Infrared Drive 4Mb FIR 5-Pin Cable

The Infrared Drive's transfer speed, with the standard IR cable, is already at 115.2kbps which is the maximum serial cable transfer speed.

If your motherboard provides support for 4 Mbps FIR (Fast Infrared), the Infrared Drive can deliver up to 4Mbps data transfer speed with the use of the FIR cable.

How fast is 4Mbps ?  It is over 30 times faster than the standard serial port data transfer rate !