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Memory card class refers to a standard classification system used for categorizing and identifying the performance capabilities of various memory cards. With the increasing use and importance of memory cards in the modern digital era, it has become crucial to have a standardized way of determining the speed and compatibility of these portable storage devices. Memory card class enables users to understand the capabilities of a memory card, such as its reading and writing speeds, ensuring optimal performance for different devices and applications. This introduction aims to shed light on what memory card class entails and its significance in the world of digital storage.
The same type of memory card, the same capacity, but they have different prices. Most people think it’s because of the brand, the quality of the processing… Actually there is another important factor that determines the value of a memory card, which is Speed Class, also known as Memory Card Class.
Memory Card Class
In this regard, the SD Association (SD Association) has issued special symbols and regulations for printing directly on memory cards to help users easily choose the right memory card for their needs. There are 2 types of symbols as shown below:
Both types of symbols above are symbols that specify the minimum performance that the memory card achieves in data transmission. This means that the transfer rate can be higher, for example, a class 6 memory card has a minimum transfer rate of 6MB/s.
– Speed Class we often see (phone memory cards) has classes of 2, 4, 6 and 10 used on consumer devices such as music players, smartphones or even laptops.
– UHS Speed Class includes UHS Speed Class 1 (U1) and UHS Speed Class 3 (U3) used in specialized equipment such as cameras or camcorders…
Note: These two types of memory cards are completely different despite having the same shape. They do not support interoperability. At the present time, UHS is the fastest memory card used in high-definition movie recording (4K and above).
Reference table:
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In conclusion, memory card class refers to the speed and performance capabilities of a memory card. It is an important specification to consider when purchasing a memory card that matches the requirements of the device it will be used with. Memory card class is denoted by a number or a letter, such as Class 10 or UHS-I. The higher the class, the faster the data transfer rate, making it ideal for applications that require quick and efficient storage, such as high-resolution photography or video recording. It is crucial to select a memory card class that meets the demands of the device and intended usage to ensure optimal performance and reliability.
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