Everything You Need to Know about SD Cards - Trust Me Shops

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Everything You Need to Know about SD Cards

Everything You Need to Know about SD Cards

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The phrase “SD cards” is a blanket term that covers SD, SDHC, and SDXC media. While SD cards aren’t the fastest cards available, they’re still pretty darn fast and are, by far, the most widely used of all the memory card types. Their versatility is a huge advantage, and they will often be seen in any grade camera, ranging from those used by beginners all the way up to flagship models used by the pros. But, beyond just knowing you need an “SD card,” which specific card is the right one for you? and what do all those numbers and letter designations on the front of an SD card mean? Also, what is the future of SD media, and for how much longer will they continue to be viable? By the time you’ve finished this article, you should have a pretty good idea as to all the answers.

SD: What Does It Mean?

Let’s start by breaking down the blanket term that is “SD,” short for Secure Digital, which is a memory card format developed by the SD Association. SD cards currently come in three tiers describing memory capacity ranges: Standard SD cards go up to 2GB; SDHC (High Capacity) cards range from 4GB to 32GB, and SDXC (Extended Capacity) cards go from 64GB up to 2TB.

SD Card Labeling and Specifications

One of the great things about SD cards is the amount of information that’s provided on the front of the card, so you can expect to find not only SD, SDHC, or SDXC, but also the card’s specific storage capacity. But what do all those other symbols, letters, and numbers mean—a number such as 4, 6, or 10 enclosed in a circle, or the number 1 or 3 inside the letter U?

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