How does storage drives (e.g. hard drive, flash drive etc) holds data without any power? Will they lose data if they are not connected to power for a long time? - Quora
If flash memory is much faster than HDD (it's as fast as DRAM) and can keep data after the power is turned off, why is HDD still used in PCs, notebooks, etc.?
eMMC VS HDD: What's the Difference & Which Is Better - MiniTool
SSD Harddisk 2,5tm SATA (120GB) Gigabyte - Køb her