SD cards also come in different sizes . You'll find standard SD cards, miniSD cards, and microSD cards. Standard SD cards are the largest, although they're still pretty small.Nov 22, 2021
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Nowadays there are only two main sizes of Secure Digital (SD) Card in general use – the (Full Size) SD Card and the Micro SD Card . Micro SD Cards are often referred to in Asia as TF or Trans Flash Cards, there is no difference in specification, they are exactly the same card.
three sizes Physical size There are now three sizes of SD card. The original format started with cards measuring 32 x 24mm, which was very small for the time. These are still common in digital cameras, audio recorders and similar products. Smartphone makers wanted smaller cards.
You'll most often come across two types of microSD cards — SDHC and SDXC. The difference between the two is the range in capacities they provide. SDHC cards have a capacity of 2GB to 32GB. Alternatively, SDXC cards can range from 32GB to 2TB .
32.0×24.0×2.1 mm SD card
From top to bottom: SD, miniSD, microSD | |
---|---|
Standard | SD Standard |
Developed by | SD Association |
Dimensions | Standard: 32.0×24.0×2.1 mm (1.260×0.945×0.083 in) 1,612.8 mm3 (0.09842 in3) Mini: 21.5×20.0×1.4 mm (0.846×0.787×0.055 in) 602 mm3 (0.0367 in3) Micro: 15.0×11.0×1.0 mm (0.591×0.433×0.039 in) 165 mm3 (0.0101 in3) |
Whether you like it or not, MicroSD cards are universal standards . You can easily buy one from any place around the world and without paying too much. Not all SD cards are same.
There is no universal memory card to fit all devices — not yet, anyway. Smaller devices like smartphones necessitate the use of smaller cards, like the fingernail-sized MicroSD, while professional cameras can use larger ones that offer greater capacities and speeds.
If you're looking for a microSD to expand your smartphone's storage, you want a card with that's at least a Class 10, but preferably a UHS 1 or UHS 3 . For running apps — and not just storing files — a UHS 3 card is best. Anything slower will reduce the performance of that app.
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