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Memory cards, also referred to as media or flash cards, use flash memory to store data. They are re-writable, fast, and retain data even when power supply is cut off. They are commonly used in devices such as digital cameras, mobile phones, media players, gaming consoles, and so on. Your computer may have a media-card reader to read and write to these cards.

Some common types of memory cards are:

Table 1. Examples of common types of memory cardsThis table shows a list of the common types of memory cards.

Secure Digital (SD)/Secure Digital High Capacity (SDHC)
Secure Digital Extended Capacity (SDXC) [card with Ultra High Speed (UHS)]
Secure Digital miniSD
Multimedia Card (MMC)
MultiMedia Card plus (MMC+)
MultiMedia Card (MMC) Mobile
RS MMC
Extreme Digital (xD)
Memory Stick XC (MSXC)
Compact Flash I, II/Compact Flash MD
Memory Stick Duo
Memory Stick Pro Duo
Memory Stick Pro-HG Duo
Memory Stick (MS)/Memory Stick Pro (MS Pro)
Smart Media/Smart Media XD