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Samsung’s eMMC 5.1 chips boost performance of mobile storage

Samsung Electronics this week introduced the world’s first NAND flash storage chips that comply with the eMMC 5.1 specification. The new solutions will significantly improve performance of embedded storage inside mobile devices, such as smartphones and tablets.

The eMMC 5.1 storage devices from Samsung are offered in 16GB, 32GB and 64GB densities. The 64GB eMMC 5.1 memory features a maximum speed of 250MB/s for sequential data reading and 125MB/s for sequential writes. The chips provide 11000 read IOPS (input/output operations per second) and 13000 write IOPS, which is 10 times faster compared to typical SD memory cards.

The eMMC 5.1 standard supports command queue function, which enables seamless multitasking activities. In addition, the specification includes a “Secure Write Protection” security protocol feature that ensures only designated users will be able to access secured areas of the eMMC.


Samsung claims that it is the first supplier of NAND flash memory to offer its customers eMMC 5.1 memory solutions.

“We are already in the process of preparing to ship our first eMMC 5.1 products to some smartphone and tablet OEMs,” said Jim Elliot, vice president of memory marketing at Samsung Electronics.

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KitGuru Says: It will be very interesting to find out whether Samsung’s own Galaxy S6 will use the eMMC 5.1 storage. It is unknown whether the company’s Exynos 7 Octa, which will presumably power the new flagship smartphone, supports the eMMC 5.1 standard.

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