Why Is It Called An SD Card?
An SD card, short for Secure Digital card, is a type of removable memory card used to read and write large quantities of data in a wide variety of mobile electronics, cameras, smart devices, and more.
SD stands for Secure Digital and it is the basic name for any of the popular postage stamp-sized data storage cards. Early SD cards could store up to 2GB of data and they quickly became the most popular type of data storage for cameras.
Picking the Right SD Card: What Do the Numbers Mean? - 42West
What does SD stand for in SD cards?
(Secure Digital Memory Card) A family of compatible and very popular flash memory cards used primarily for storage in cameras and phones. Introduced in 1999 by Panasonic, Toshiba and SanDisk as the successor to the MultiMediaCard (see MMC), the SD technology is managed by the SD Association (www.sdcard.org).
Definition of SD card - PCMag
What is the difference between a memory card and an SD card?
MicroSD is a smaller variant of the SD (Secure Digital) card and is used in certain cell phones, PDAs and smaller, lighter devices....Comparison chart.
MicroSD vs SD Card - Difference and Comparison - Diffen
Why is SD called Secure Digital?
The "secure" part of "Secure Digital" refers to its built-in DRM protection technology. The SD format supports Content Protection for Recordable Media (CPRM), which prevents protected content from being read from another storage device.
SD (Secure Digital) Definition - TechTerms