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Comparison Samsung EVO Plus 100 Mb/s microSDXC UHS-I U3 512 GB vs Samsung Pro Plus 100 Mb/s microSD UHS-I 64 GB

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Samsung EVO Plus 100 Mb/s microSDXC UHS-I U3 512 GB
Samsung Pro Plus 100 Mb/s microSD UHS-I 64 GB
Samsung EVO Plus 100 Mb/s microSDXC UHS-I U3 512 GBSamsung Pro Plus 100 Mb/s microSD UHS-I 64 GB
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Full compliance with the claimed speed characteristics. All-protected execution.
TypemicroSDXCmicroSDXC
Storage512 GB64 GB
Specs
Speed class1010
UHS classUHS-I Class 3 (U3)UHS-I Class 3 (U3)
Video recording classV30V30
Read speed100 MB/s100 MB/s
Write speed90 MB/s90 MB/s
Adapter included
 /depending on configuration/
 /depending on configuration/
Added to E-Catalogmay 2019june 2017

Storage

The nominal capacity of a memory card is the amount of data that can be written to it. For technical reasons, the real working volume of modern memory cards is usually somewhat less than the nominal one (for example, 14.9 GB with the claimed 16 GB). However, with the same type of card, differences in nominal capacity usually correspond to differences in actual capacity: for example, a 64 GB SDXC card will actually have twice the capacity of a 32 GB card of the same card.

Recall that different types of media have different limits on the maximum volume; see "Type" for details. And a specific volume is most often chosen by the manufacturer not arbitrarily, but from a list of standard options. The most widely used cards nowadays are 16 GB, 32 GB, 64 GB, 128 GB and 256 GB ; capacities of 8 GB or less are considered modest, with the most capacious models holding 512 GB or more.

Note that the price of the card directly depends on this parameter. Thus, many models are available in several variations, differing solely in capacity; and it is worth choosing by volume depending on the types of data that are planned to be stored on the card. Of the popular formats, text documents occupy the least space — usually tens, at most hundreds of kilo...bytes. The size of a photo from a modern camera or an MP3 file is already calculated in megabytes, music in lossless formats "weighs" already tens of megabytes, and the volume of a video depends on its duration, resolution and the codecs used.
Samsung EVO Plus 100 Mb/s microSDXC UHS-I U3 often compared
Samsung Pro Plus 100 Mb/s microSD UHS-I often compared