Sonnets Fire Wire 400-to-800 adapter makes it easy to connect your Fire Wire 400 (1394a) peripherals to the latest Mac Pro, Mac Book Pro, Mac mini, i Mac, or any other computer with Fire Wire 800 (1394b) ports, without the trouble of purchasing yet another cable. Which cable to get? What length? Why bother&8212;use your existing Fire Wire 400 cables with this simple adapter from Sonnet to connect devices to a Fire Wire 800 port. Just plug it in between a Fire Wire 800 port & a standard Fire Wire 400 cables 6-pin male connector (the other end of the cable plugs into your Fire Wire device). It cant get any simpler. Sonnets Fire Wire 400-to-800 adapter features a 9-pin male connector that plugs into your computers Fire Wire 800 port. The other end of the adapter features a 6-pin female Fire Wire connector that any standard 6-pin male Fire Wire 400 cable can plug into. Fully IEEE 1394 compliant, this adapter means that you can avoid the hassles of new cables & computer upgrades.