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SD Cards are compact, removable flash memory cards used for storing and transferring data in various electronic devices. They fit perfectly into the hierarchy of Data Storage Devices, specifically within the category of Flash Memory Cards. These cards are commonly found in computers, computer accessories, and wireless access points, serving as a convenient solution for expanding storage capacities. SD Cards offer an efficient way to manage files, photos, videos, and other digital assets. They come in various storage sizes and can be easily swapped between devices due to their compact design. SD Cards are particularly useful when working with portable electronics, cameras, camcorders, and gaming consoles, making them an essential component of the modern digital landscape. Within the Flash Memory Cards category, SD Cards stand out for their versatility and wide compatibility across numerous devices. Their popularity has led to the development of different types, such as SDHC (Secure Digital High Capacity) and SDXC (Secure Digital eXtended Capacity), addressing diverse storage requirements while ensuring seamless integration with technology advancements in electronics and computers.