The upgrade for cybersecurity: PS-66u Security Upgrade Kit from Swissbit – available from Rutronik

01/09/2025 Product News

Rutronik is offering the new PS-66u Security Upgrade Kit by Swissbit with an industry-standard microSD card of security level 2 – an optimal retrofit solution for Linux-based embedded systems. It protects critical data against theft, copying and manipulation thanks to an easy-to-use, configurable access control mechanism and data protection at the partition level. The Upgrade Kit is the optimal choice for applications in critical infrastructure and the public sector to ensure secure and uninterrupted operation. Swissbit's PS-66u is available in capacities from 16 GB to 64 GB and as a full industrial BOM PS-66u DP, including technical application support, at www.rutronik24.com.

The special security features are made possible by Swissbit's flash controller and advanced firmware. CmReady – prepared for immediate use with WiBu-Systems CodeMeter (software protection and licence management), the PS-66u Security Upgrade Kit is ideal for retrofitting existing systems, enabling the individual configuration of protection profiles and providing additional protection through real-time AES 256 flash memory self-encryption. 

Optimized FW algorithms make it particularly suitable for applications with high read access and long data storage (ten years at the beginning of its lifespan and one year at the end of its lifespan). It also features patented technology for reliable switching off, wear levelling and write endurance technology, as well as read-disturb management.

The 15 mm x 11 mm x 0.7 (1.0) mm SD card is fully compliant with the SD Memory Card Specification 6.10. The kit offers an SDHC standard / high-speed mode, supports UHC and is available in speed classes 10 / U3 / V30 / A1 according to the SD6.10 specification. 

Further benefits at a glance:

  • Sequential read up to 90 MB / s, random read IOPS up to 1500
  • Sequential write up to 75 MB / s, random write IOPS up to 1600
  • Up to 20,000 insertion cycles
  • Operating temperature range: -40 °C to 85 °C
  • Storage temperature range: -40 °C to 100 °C
  • 2.7 V – 3.6 V operating voltage (CMOS technology with low power consumption)
  • Technical support via community web portal and tutorial
  • Made in Germany
  • Industrial-grade memory (pSLC) for high endurance

Target applications:

  • Retrofitting data protection (confidentiality and integrity)
  • Retrofitting secure boot for existing products (Integrity protection)
  • Critical infrastructure, such as energy and water supply, transport, medical care
  • Industrial IT & OT
  • Public institutions and authorities

Further information delivers the RutronikTEC article Swissbit PS-66u Security Upgrade Kit.


For more information to the PS-66u Security Upgrade Kit from Swissbit and a direct ordering option, please visit our e-commerce platform at www.rutronik24.com.

Contact Rutronik:

Richard Klauser| Corporate Product Sales Manager Boards & Storage |  +49 7231 801-4613 | richard.klauser@rutronik.com

The Swissbit flash controller and the extended Swissbit firmware enable special security functions.