Viking Interworks 32-Bit High Speed 5-in-1 Flash Cardbus PCMCIA PC card Adapter/Reader for SD MMC MS Pro xD Flash memory card for HP DELL SONY Toshiba Notebook Laptop (NOTE: not support SDHC; upto 2GB only) Requirement:Windows98/98SE/2000/ME/XP. Not for SDHC; upto 2Gb only! Works with xD, Secure Digital, MultiMediaCard, Memory Stick and Memory Stick Pro memory cards. CardBus transfers at rates theoretically up to 132MB a second. Actual transfer rates for the CardBus CompactFlash Adapter will depend on the memory card's controller speed. The CardBus 5 in 1 Adapter supports the hotswapping and plug-and-play capabilities that users have come to expect from 16-bit PC Cards.