There is no need to introduce Sandisk explicitly as it is a highly well-known brand in the memory device market, and there is very little possibility that you haven’t heard of or come across this brand before.

SanDisk is a brand for flash memory products, including memory cards and readers, USB flash drives, solid-state drives, and digital audio players, manufactured and marketed by Western Digital. The original company, SanDisk Corporation was acquired by Western Digital (WD) in 2016