The Synology RX1225RP is a 12-bay expansion enclosure built for seamless capacity scaling with compatible RackStation NAS systems such as the RS2825RP+. It connects via a mini-SAS HD interface for high-speed, low-latency data transmission and integrates smoothly with Synology DiskStation Manager (DSM) for simple volume expansion and management.

Each bay supports 3.5" or 2.5" SATA HDDs/SSDs, including Synology HAT5300, HAT3300, and SAT5200 series, with full hot-swap capability. Designed for uptime-critical environments, it includes dual 550W redundant power supplies, modular fans, and tool-less drive trays for easy maintenance.

Ideal for enterprise storage growth, the RX1225RP delivers scalable, reliable, and centrally managed storage expansion with zero downtime, backed by a 5-year warranty