Nano Memory (NM) is a proprietary

memory card A memory card is an electronic data storage device used for storing digital information, typically using flash memory. These are commonly used in digital portable electronic devices. They allow adding memory to such devices using a card in a soc ...

format developed by

Huawei Huawei Technologies Co., Ltd. ( ; ) is a Chinese multinational technology corporation headquartered in Shenzhen, Guangdong, China. It designs, develops, produces and sells telecommunications equipment, consumer electronics and various smart ...

in 2018. NM cards are the same size as a nano SIM card, so they can be used in the same slots as nano SIMs. They are smaller than micro

SD card Secure Digital, officially abbreviated as SD, is a proprietary non-volatile flash memory card format developed by the SD Association (SDA) for use in portable devices. The standard was introduced in August 1999 by joint efforts between San ...

s, freeing up space and reducing weight in smartphone designs. NM cards utilise the

eMMC The MultiMediaCard, officially abbreviated as MMC, is a memory card standard used for solid-state storage. Unveiled in 1997 by SanDisk and Siemens, MMC is based on a surface-contact low pin-count serial interface using a single memory stack ...

4.5 protocol and operate with read speeds of 90MB/second. As of 2021, the cards were only supported by Huawei phones, however they are also manufactured by

Lexar Lexar Media, Inc. is a Chinese brand of flash memory products manufactured by the Chinese company Longsys. The Lexar "JumpDrive" trademark was often used synonymously with the term USB flash drives when the technology was first adopted. Histo ...

. Available sizes are 64GB, 128GB, and 256GB. They are more expensive than SD cards.

References

2018 in computing Computer-related introductions in the 2010s Huawei Solid-state computer storage media {{Compu-storage-stub