Sonnet Technologies today announced the Allegro FW400 FireWire PCI adapter card, which installs into any available PCI slot of a Power Mac or PC and adds the FireWire connections needed to connect high-speed digital peripherals. Each card offers three six-pin external FireWire ports, performs at the data transfer rate of up to 400 Mbits/s, and can connect up to 63 devices. The Allegro FW400 is priced at US$39.95 and will ship on March 31.