PC Cards (also referred to as PCMCIA Cards) are input/output devices used widely on laptops. Some desktop computers also provide a PC Card slot. Generically, PC Card refers to older 16-bit cards and upgraded 32-bit CardBus cards. PCMCIA, the governing body that provides standards for the PC Card and ExpressCard format, has ceased further development on the PC Card in order to promote the ExpressCard. There remain a vast number of PC Cards available in the marketplace.
Simple Installation
Installing PC Cards is much easier and less time consuming than installing an internal component in your computer. Instead of having to remove the side panel, protect the computer from static electricity, insert a card and attach required cables, the PC Card user can insert and secure a card without any tools or risk to other internal components. When the user has finished using the card, he can use the "Safely remove hardware" function of the operating system to eject the device. Installing a new card is as simple as inserting the card into the same external slot and installing the device drivers in the operating system.
Variety
The modular aspect of PC Cards means that one port can facilitate a number of new computer features. PC Cards can add additional USB ports, a video capture device, a mobile broadband network access modem, a wireless mouse or a number of other dedicated hardware devices.
Legacy Support
Even though PC Cards have been supplanted by the newer ExpressCard format, some manufacturers still produce PC Cards. There are also adapters available that make PC Cards compatible with ExpressCard slots, which can extend a PC Card's life and reduce computer costs.
Computer users may install PC Cards in older computers that do not have common features (such as a wireless adapter) widely supported in newer computers. This can add longevity to an older laptop, which is especially beneficial for computer owners on tight budgets.
Size and Portability
PC Cards, at 85.6 mm long by 54.0 mm wide, are small. Even though the ExpressCard is slightly smaller (75.0 mm long by 34.0 or 54.0 mm wide) than the PC Card, both form factors are extremely portable.
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