Flash drives like SSDs havebecome more and more popular. But since the early days of wear leveling there is one problem all NAND Flash devices have in common.
Corrupted data and data loss during sudden power failure!
Over the years there were several solutions, mostly solved in software to make the disks more stable.
But with the introduction of SATA III and the customer demands of higher data rates, the SSD manufactures had to think about how to improve the throughput and the IOPS of the drives.