What type of card is an SD?

An SD card, or Secure Digital card, is fundamentally classified as a memory card. This designation arises from its primary function, which is to store data, including but not limited to photos, videos, applications, and documents. Memory cards like the SD card are designed to provide a portable solution for data storage, making them prevalent in devices such as cameras, smartphones, tablets, and gaming consoles.

While the term "storage card" might also suggest a resemblance, it lacks the specificity that "memory card" conveys within the context of technology. "Storage" is a broader term and can encompass various types of devices, including those that may not be classified as memory cards. Graphics and video cards are entirely different components primarily focused on rendering visuals and handling graphical tasks, further differentiating them from the role of an SD card. Thus, categorizing an SD card correctly as a memory card emphasizes its functional role in data storage and compatibility with various devices that utilize flash memory technology.