https://www.techpowerup.com/227202/t...-flash-storage

Toshiba America Electronic Components, Inc. (TAEC) has enhanced its lineup of managed NAND devices with the addition of new Embedded Multimedia Card (e-MMC) and Universal Flash Storage (UFS) embedded memory solutions. Featuring enhanced integrated controller technologies, the new 'Supreme+' e-MMC (JEDEC ver. 5.1) and UFS (JEDEC ver. 2.1) offerings deliver significant read and write speed improvements to demanding applications.

In contrast to raw NAND flash memory solutions, e-MMC and UFS devices integrate NAND flash memory and a controller chip in a single package. This saves space and relieves host processors of the burden of key memory management functions including bad block management, error correction, wear leveling, and garbage collection. As a result, e-MMC and UFS devices simplify design when compared to standalone memory ICs with a standard NAND flash interface.