Belkin Card PCI 4p USB w Quadrabus f PC+ Mac interface cards/adapter

Adapter USB PCI 4p f PC Mac With the power of QuadraBus™ technology, the Belkin 4-Port PCI Card delivers 12Mbps of bandwidth to each of it's four USB ports. Consider how sluggish four connected devices will run sharing 12Mbps. Now see their performance rise four-fold once each USB device receives the full 12Mbps.
Add four USB ports and improve performance of connected devices by providing a full 12Mbps bandwidth to each port. Bring an end to peripheral sluggishness by delivering a full downstream 48Mbps to all your devices at the same time.
•A robust 12Mbps of bandwidth per port for four ports totaling 48Mbps of data speed. Four 12Mbps USB ports added to a system previously with or without USB capabilities.
•May be daisy-chained to support up to 127 devices per port for a total of 508 devices.
•State-of-the-art QuadraBus™ technology from Lucent Technologies.
•Manufacturer's Lifetime Warranty
•Compatible with Windows 98, Windows Me, Windows 2000 or Windows XP
•Full compliance with current USB specifications and PCI specification version 2.1
•OHCI Compliant
•Compatible only with Power Mac G3 Blue and White or Power Mac G4 under Mac OS 8.6 through OS 9.x.