--Delivery without hard disk-- Further explanations as well as technical data can be found in the data sheet. Maximize service availability while minimizing downtime Synology SA3200D has a dual-controller architecture to ensure that operations and critical business functions are not severely impacted in the event of an emergency or an unplanned outage of critical systems. The hardware redundancy mechanism uses controllers, power supplies, and fans to avoid single points of failure. With the intuitive and feature-rich DiskStation Manager (DSM) operating system, the SA3200D provides comprehensive protection for network, file services, and applications. https://elecena.pl/product/18153491/sa3200d-diskstation-sa3200d-nas-server-empty-enclosure 2021-04-30 https://elecena.pl/product/18153491/sa3200d-diskstation-sa3200d-nas-server-empty-enclosure 2021-10-17 https://elecena.pl/product/18153491/sa3200d-diskstation-sa3200d-nas-server-empty-enclosure 2023-12-15 https://elecena.pl/product/18153491/sa3200d-diskstation-sa3200d-nas-server-empty-enclosure 2025-02-08