Buy a memory card may be a really simple task, since most of the users consider that by choosing only what is the size in terms of storage capacity give us the card, is one fact more than sufficient to initiate the acquisition.
But the truth is that on this assumption is precisely one of the biggest errors committed frequently by users, since we must not only choose quantity of storage space gives us the same, but also take into account some parameters that will allow us to purchase the appropriate product.
At this point it is important to know what relate each data that shows the manufacturer within the specifications of the card, in order to be able to choose the best option.
Then the points to keep in mind:
Format and compatibility
There are three different type micro card formats, which determines the compatibility of the same, i.e. the microSD, microSDHC, and microSDXC. Although each format is defined in the SD card specification, the truth is that not all work the same way.
The microSD can be used in either slot microSD, the microSDHC can be used on hardware that supports SDHC and SDXC, the microSDXC can only be used on devices that support SDXC.
There are four possible methods to determine the speed of a microSD card, and this can be known through the class to which belongs the card that we are going to acquire.
At this point it must bear in mind that there are 4 kinds of cards: class 2 that reaches 2 MBps rate, the class 4 that achieves 4 MBps, the class 6 which reaches 6 MBps, and class 10 reaching the 10 MBps.
This allows us to determine the level of performance that reaches the memory card, and therefore know almost exactly if a card is suitable for a specific task.
Of course that in practice, the speed of the memory card will influence other external factors, such as for example the type of port and USB cable or reader’s card we use to connect it to a PC.
It is extremely important to buy the card suitable for the task to be performed, i.e. for example, if we need a card for a digital photo of the type camera bridge or SLR, the ideal is to opt for a wholesale microSD with large storage capacity and fast enough.
Most manufacturers of digital cameras of this type are recommended to use UHS Speed Class 3 card for recording video in format 4 K, while suggesting a card class 10 or 6 for the Full HD video capture. We take into account that in this case, slow writing of the card can mean the loss of frames.
Avoid false cards
The market has given rise to the emergence of memory cards counterfeit, which in fact they are trout copies that are manufactured by reputable companies including SanDisk, Kingston or other.
To detect a counterfeit card, Windows users can use H2testw, allows us to check if the card that we have in our hands is genuine or not.
At this point it is important to note that it is always better to buy a card made by a reputable company and trust, since with this we make sure that the card works properly, and avoid well losing the content that we are going to store in it.
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