Synology RX415 delivers an effortless volume expansion & data backup solution for Synology’s 1U Rack Station servers by providing an additional 4 drive slots. With its new short-depth chassis design, RX415 ensures easy installation & deployment in 2-post racks & wall mount racks. Plug-&-Use Design for Seamless Storage Space Upgrade Online Volume Expansion 12-Inch Depth to Fit in 2-Post Racks & Wall Mount Racks Energy-Saving Deep Sleep Mode Managed from Synology Disk Station Manager (DSM) When drive capacity is running low on a Synology 1U Rack Station, Synology RX415 provides an easy way to immediately scale capacity by providing an additional 4 slots. A RAID volume on the Synology Rack Station can be expanded directly without having to reformat the existing drives, ensuring the Synology Rack Station continues providing services during capacity expansion. Synology RX415 can serve as a dedicated local backup solution for a Synology Rack Station. When created as a separate volume, the Synology RX415 provides a great backup solution for local drives in case of system failure.