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Samsung on Tuesday announced that it had initiated volume production of UFS NAND flash memory chips with 512 GB capacity based on its latest 64-layer 512 Gb V-NAND.

There are a number of reasons why Samsung would want to rush to bake the 500GB+ non-removable chip into the Galaxy S9.

"The new Samsung 512GB eUFS provides the best embedded storage solution for next-generation premium smartphones", said Jaesoo Han, executive vice president of Memory Sales & Marketing at Samsung Electronics. Together, they double the density of the previous 48-layer V-NAND 256GB eUFS memory.

Aside from the increased amount of storage, Samsung has also implemented new power management technology into the new solution in order to minimize its power consumption that comes from having more storage on the solution. Using UFS proved to be the right decision for Samsung, as it achieved much better performance than eMMC, which was predominantly used by Android phones at the time.

Store approximately 130 4K Ultra HD (3840 × 2160) video clips of a 10-minute duration (10x increase over 64GB eUFS storage). "In addition, the 512GB eUFS' controller chip speeds up the mapping process for converting logical block addresses to those of physical blocks", the company says in its statement. To put that in a real-life scenario, a user would be able to transfer a 5GB 1080p full HD video clip in around 6 seconds. Compare that to the 100 IOPS that conventional MicroSD cards read and you have about a 400x improvement in performance. The 512 GB chip stacks eight of the aforementioned NAND dies and is speced for up to 860 MB/s sequential read speeds as well as up to 255 MB/s sequential write speeds, which is in line with the company's 256 GB eUFS device launched in 2016. No precise timeline of when these chips can be expected in mobile devices has been disclosed, beyond it being meant for upcoming flagship smartphones and tablets. Imagine pairing a ton of storage alongside Qualcomm's Snapdragon 845 system-on-chip (SoC), or Samsung's recently announced Exynos 9810 (Samsung typically uses two SoCs for its flagship phones, tapping its own silicon for models that ship internationally and Qualcomm's hardware for USA variants).

Samsung says that it has introduced a new set of proprietary technologies to maximize performance and energy efficiency.

This time it's named "upcoming flagship smartphones and tablets" as the ideal application.


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