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Hyperstone U9 Flash Controller Deep Dive (Page 4)

By Chris Ramseyer from Jul 30, 2019 @ 20:00 CDT

Final Thoughts

In coming weeks, we will cover Flash Memory Summit and find several new products targeting the industrial and IoT markets. We expect to see a number of those using the Hyperstone U9. One such product is the previously announced Micron eU500 featuring an industrial-focused design. The eU500 sports impressive performance in a slim form factor that device manufacturers can quickly integrate in systems that must survive harsh environments.


We were not able to test the strongest feature of the Hyperstone U9 today. That feature is the error correction with the 96-bit / 1K BCH ECC engine. The ability to run AES 128 and 256-bit encryption in hardware is significant for the recommended usage of this controller.

Of all the information Hyperstone provided us, the flash management is the most impressive. We noticed in testing the ability to withstand heavy workloads while still delivering consistent performance. That is a rare feature in DRAMless designs and much less so on any device running over the Universal Series Bus. The U9 shows strong background management capabilities that allows the pSLC model to even rival SATA SSDs in sustained random workloads.

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