34mm ExpressCard to PCMCIA/Cardbus Adapter USB based Express Card Converter SD-EXP-PCB C-EX34-PCM-SD There are two types of ExpressCards; USB based and PCI-Express based. This converter only supports USB-based ExpressCards. Specifications: > Converts the CardBus slot on your laptop PC to ExpressCard/34 slot (USB Interface Only) > Based on NEC chipset, ensuring the best device compatibility > Host side: 32-Bit CardBus PC Card Type II standard compliant > Device side: ExpressCard/34 slot (USB Interface Only), compliant with ExpressCard/34 module outline dimension > USB 2.0 specification compliant, backward compatible to USB 1.1 Specification > Support data transfer rates: High Speed 480Mbps, Full Speed 12Mbps, and Low Speed 1.5Mbps > Support Plug & Play and Hot Plug features > Support Windows 98SE/Me/2000/Server 2003/XP/Vista, or Mac OS 10.3.0 or above Package Includes: > Includes ExpressCard to PCMCIA and CardBus Adapter, CD Driver, and User Manual.