Huawei p40pro is an sfs.
Huawei p40Pro and above models use the SFS 1.0 flash memory chip developed by hisilink, which nearly doubles the random read and write speed compared with UFS 3.1. sfs flash memory is a new type of flash memory developed by Huawei, and it is speculated that it may be based on UFS 3.1 memory. However, being able to improve performance to such a state also proves the strength of Huawei's scientific research.