phandroid.comThis is the Huawei NM Card included in its Mate 20 phonesAlong with the new Huawei Mate 20 and Mate 20 Pro smartphones, Huawei has unveiled a new memory card format - the Nano Memory Card or NM Card. The new NM Card is smaller than a microSD card and is the same size and shape as a nanoSIM card. The company has not released many details about the NM Card, but we're compiled everything we know about it below. NM Card size The new NM Card is the same size as a nano SIM card, making it 45% smaller than a microSD card. Dual SIM card slot on the Mate 20 and Mate 20 Pro 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 Huawei didn't go into detail regarding the capacity of the new NM Card, but it announced that the Huawei Mate 20 Pro and Mate 20 will support 256GB NM Cards. We will assume that Huawei will give consumers the option to purchase 64GB, 128GB and 256GB NM Cards, but they have not made any official announcements yet. NM card standard/compatibility