Updated: 03/06/2020 by Computer Hope

Formerly code-named NEWCARD, ExpressCard is a new standard replacing the PC Card standard in laptop computers. ExpressCard is also a standard that was developed by PCMCIA and supports a much higher speeds, supports USB 2.0, smaller, uses less voltage, lower cost, and is hot-swappable. As shown in the illustration below, ExpressCards are physically different from PC Cards and are available in two different formats: ExpressCard 54 and 34.

54 and 34 mm ExpressCard footprints.

CamelCase, Expansion card, Hardware terms, NEWCARD, PC Card, PCMCIA