A hardware technology designed to replace CardBus (also known as PCMCIA) standards for hot-pluggable internal I/O expansion for notebook and desktop computers. ExpressCard enables you to add memory, wired and wireless communications, multimedia and security features by inserting ExpressCard modules into compliant systems. There are two standard formats of ExpressCard modules, the ExpressCard/34 module (34mm x 75mm) and the ExpressCard/54 module (54mm x 75mm). Both formats are 5mm thick and use the same connector interface.
ADVERTISER DISCLOSURE: SOME OF THE PRODUCTS THAT APPEAR ON THIS SITE ARE FROM COMPANIES FROM WHICH TECHNOLOGYADVICE RECEIVES COMPENSATION. THIS COMPENSATION MAY IMPACT HOW AND WHERE PRODUCTS APPEAR ON THIS SITE INCLUDING, FOR EXAMPLE, THE ORDER IN WHICH THEY APPEAR. TECHNOLOGYADVICE DOES NOT INCLUDE ALL COMPANIES OR ALL TYPES OF PRODUCTS AVAILABLE IN THE MARKETPLACE.