Three (3) FireWire 800 ports (1394b)One (1) FireWire 400 port (1394a)Three (3) 9-pin FireWire 800, and One (1) 6-pin FireWire 400 connectorsExpand your single 1394b port to multiple 1394a/1394b connections, and able to extend the connection up to another 25 metersSupports up to 63 devices in peer-to-peer configurationIdeal connection for devices with FireWire 800/1394/i.Link interface; such as, high performance networking, video data storages, digital cameras, digital camcorders, scanners, printers, external CD/DVD writers, hard disk drives, and etcFully Plug-N-Play and Hot-Swap compatible