PAX212 The PAX212 is an expansion unit designed to add 12 additional SATA drive bays. It supports active-active hosts and features redundant power supplies, hot-swappable drive bays, and modular components. This unit is compatible with the Synology PAS3600. It supports 3.5" SATA HDDs and 2.5" SATA SSDs. Two expansion ports are included for connectivity.

Synology