What Is an SD Card?Īn SD card, short for secure digital card, is a compact, lightweight and removable flash memory card offering high-capacity storage. Our following guide includes much more information about SD cards to help steer your purchasing decision.
Manufacturers and various tech companies using cards are strict on their requirements in utilizing proper write speeds and supported sizes. When buying a card for your Nikon DSLR camera or a digital camcorder, you’ll need a faster card compared with merely using an SD card in an MP3 player or digital picture frame, for example. When looking to buy individual and bulk SD cards, spend a few moments considering some options so you stand to get the most out of your purchases.įirst, will you use SD cards for internal or external storage? Will you store photos or videos frequently? Do you need a specific class or storage size to best fit your needs? Are you looking for a specific brand?Īll these questions can help you identify which SD card(s) you need for specific purposes. SD cards have become capable of storing as many as tens of thousands of images and songs along with hours of HD video on a single card. As their storage capacities ballooned, these devices became ever more powerful.
SD cards hit the market in 1999 and helped transform storage for electronic devices.
