As far as the NM cards currently sold on the market are concerned, in addition to Huawei's official authentic products, there are some other small unofficial authorized brands. These small brands of NM card, the price is not low, and sales are good, but the quality is difficult to say. Time to 2020 finally saw the first-line storage manufacturers authorized by Huawei patents began to ship NM cards, which is Lexar(Lexar) nCARD. Speaking of Lexa believe that everyone must not be unfamiliar, its products are rich and diverse, covering a number of areas, user reputation has been very good, this time Huawei patent authorized Lexa to produce NM card, I believe that will not let you down.
Advantages and disadvantages of Huawei NM memory card:
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1, the main advantage is that the price is cheap, so that the people can expand their own low-cost.
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2, disadvantages, the main speed is slow, especially if you really buy a 256G or 1t, and then you take a lot of photos and videos, in the search for photos and videos, you will find that after scrolling fast, may thumbnail often can not come out.
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3, with the further decline of flash memory chips, the future mobile phone, the standard may be starting from 256G, which should be enough for most people.
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To put it bluntly, not enough is mainly people who often like to take photos and videos.
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4, after the popularization of 5G, cloud storage is more popular or faster, there is no need to cache video into the phone.
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Now, going out to travel, I often have to cache some movies and TV dramas to the phone in advance, but in the future, there is not necessarily this demand.
2. Huawei NM memory card is 45% smaller than traditional microSD card. Huawei Nano MemoryCard (NM Card for short) is a kind of ultra-micro memory card created by Huawei. Compared with Micro SD card, the size of Huawei Nano memory card is reduced by 45%, and the specifications of Nano SIM card are almost the same. Huawei NM memory card has a sequential read rate of up to 90MB\/s and a sequential write rate of up to 70MB\/s. It is necessary to use a Nano SIM card slot in the mobile phone to achieve the expansion of the mobile phone storage and increase the storage capacity of the mobile phone. Huawei NM Memory card The size of Huawei NM memory card is reduced by 45% compared to Micro SD memory card. It is the same shape and size as the Nano SIM card, and can share the card slot with the Nano SIM card.
At the beginning of the design of the NM memory card, Huawei set a strict standard - no less than SD U3 (minimum write rate of 30MB\/s) read and write speed, Huawei NM memory card is based on JEDEC memory storage protocol development. Measured by Huawei LABS, the sequential read rate of Huawei NM memory card can reach 90MB\/s and the sequential write rate can reach 70MB\/s, far exceeding the SD U3 standard.