USB Workshop has put up a review on the ADS USB Turbo Quad 4.

ADS Turbo Quad 4 is definitely ´the ultimate upgrade card´ for a USB techie. Pop this card into your machine, and the 4-port PCI card instantly quadruples the available bandwidth for all USB peripherals. The card houses the latest Lucent USS-344 QuadBus USB 1.1 controller dedicated to provide four full 12Mbps bandwidth for each port.

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