M-Cab PCMCIA CardBus - USB 2.0 - 4 Port Host Adapter. Host interface: CardBus, Output interface: USB 1.1/2.0. Data transfer rate: 480 Mbit/s. Colour of product: Multi. Connectivity technology: Wireless, Compatible operating systems: Windows 98 / 98SE / ME / 2000 / XP / VISTA, Power requirements: 3.3 V