NM Card Size Huawei has unveiled a new memory card format â the Nano Memory Card or NM Card. The new NM Card is the same size as a nano SIM card, making it 45% smaller than any micro SD cards. Dual SIM card slot on the Mate 20, Mate 20 Pro & Mate 20 X which can support the new standard, giving the users the option of using a second SIM card or a NM card for storage. NM Card Capacity The the option of capacity of the new NM Card is 64GB, 128GB & 256GB NM Cards. 90MB/s Transfer Speeds The manufacturer of the new NM card is Toshiba. The card perfectly fits into the dual nano-SIM hybrid slot of the new Mate 20 series phones. In fact, the NM card works on only hybrid dual SIM slots. More so, the NM cards were revealed to read transfer speeds of 90MB/s. Key Features
- 45% smaller than a Micro-SD
- Transfer speeds of 90MB/s
- For Huawei Mate 20, Mate 20 X, Mate 20 Pro
- Storage capacity: 256GB Specifications Capacity: 256GB Dimensions: (W x D x H) 12 mm, 9 mm, 1 mm Box Contents 1x Huawei Universal NM 256GB Card