I will match the Micro SD card's external dimensions. I measure the NM Card reading and reading speed. And as a bonus gift, I even made some X-rays from inside.
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Huawei NM Card 256GB Nano Memory Card 90MB/s Apply Huawei P30/Pro Mate 20/X/Pro USB3.1 Gen 1 NM Card Reader Nano Memory Card
Huawei P40 Pro Plus: everything you need to know
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YAOMAISI Enhanced Version NM Card 128GB 90MB/s Nano Memory Card Nano Card Only Suitable for Huawei P30/P30pro/P40 series/Mate20 Series/Ma
【3 Connection Ports】Features USB-A 3.0 port, USB-C 3.0 port and Micro USB 2.0 port, compatible with computer, laptop, OTG enable phone and tablet.
JJC Huawei Nano Memory NM Card Reader Writer, USB 3.0 USB-C Type-C to NM Nano Memory SD MicroSD Card, Data Transfer Speed up to 90MB/S for Huawei
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NM card 256/128/64GB nano memory card for Huawei Mate40 Mate30 X Pro P30 P40 Pro series Nova5 6 MatePad version read 90MB/s
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Nm Memory Card 64 Gb 90 Mb/s Nano Card Only For P30/p40/p50 - Temu
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