Dual profile PCI Express FireWire 400 adapter works with PCI Express slots of different lane widths PCI Express 1-lane (x1) FireWire adapter works with PCI Express slots of different lane widths Installs in any available PCI Express slot Supports data rates up to 400Mbps The included standard height and low-profile brackets allow the adapter to be installed into either full-height and low-profile system chassis Works with FireWire (1394a) devices including DV camcorders, CD-RW/DVD-ROMs, portable hard disk enclosures, digital cameras, and many other audio/video devices Plug-and-play installation no driver installation is required