About us

NAND Flash Memory Controllers

NAND Flash Controllers for Industrially Robust Storage Solutions

We design, develop and deliver high-quality, innovative semiconductor solutions and strive to enable our customers to produce world-class products for industrial, embedded, automotive and global communications storage applications.

Hyperstone, a fabless semiconductor and microprocessor design company, was founded in 1990 and is based in Konstanz, Germany. Hyperstone’s products include microcontrollers for Serial ATA (SATA) and Parallel ATA (PATA) Solid-State Disks (SSDs), Disk-on-Module (DoM), Disk-on-Board (DoB), embedded flash solutions such as eMMC, and flash cards such as CF, SD and MicroSD. USB controllers complete the portfolio. Flash controller firmware is supplied with the controllers and is customized for each flash application.

Together with subsidiaries in Taiwan and the USA, and with other worldwide partners, Hyperstone serves a global customer base. The company’s research and development is based in Germany and Taiwan. Industry-leading partners provide world-class wafer-subcontracting, packaging and testing services. A pioneer in the flash memory controller business, Hyperstone has a strong portfolio of patents including wear-leveling algorithms and microprocessor design.

Hyperstone Semiconductor NAND Flash Memory Controllers

Invest in Hyperstone

Hyperstone GmbH is part of the CML Microsystems Plc group of companies that design and market semiconductors for global communication and storage markets. CML Microsystems Plc is listed on the Main Market of the London Stock Exchange (LON: CML).

Group companies include:

For detailed stock information, please visit the CML Investor Center

Invest in Hyperstone and CML PLC

Register with us to gain exclusive access to more product documents!

If you sign an NDA with us, we can give you access to exclusive documents and firmware downloads. Send us an email after you register and we will start the process. 



Konstanz, Germany


+49 7531 9803 0



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