https://www.systerra.de/PCS-BALLET.html
Available as a mezzanine add-on expansion board (aka side board) to the PC1-GROOVE, SC1-ALLEGRO and successor CompactPCI® PlusIO and CompactPCI® Serial CPU cards, the PCS-BALLET provides a number of frequently required I/O functions. In addition, the user can choose between several SATA based on-board mass storage solutions...
C40..C80 Storage Modules (PDF)
https://www.systerra.de/downloads.php?dokument=9605
C40..C80 Storage Modules (PDF)
https://www.systerra.de/downloads.php?dokument=9624
https://www.systerra.de/downloads.php?dokument=8847
https://www.systerra.de/downloads.php?dokument=8848
PCS-BALLET Datasheet (PDF)
https://www.systerra.de/downloads.php?dokument=9626