Synology RX1225RP 12-Bay Expansion Unit
Brand: Synology | Category: Storage Systems
SKU: RX1225RP | Part #: RX1225RP | MPN: RX1225RP
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About the Synology RX1225RP 12-Bay Expansion Unit
The Synology RX1225RP is a 12-bay 2U expansion unit designed to scale storage capacity for enterprise RackStation deployments. Featuring redundant power supplies and a robust chassis, it integrates seamlessly with compatible Synology NAS systems to expand usable storage without replacing existing infrastructure.
The unit supports hot-swappable 3.5-inch SATA drives, enabling capacity expansion while maintaining operational continuity. With dual power inputs and enterprise-grade reliability features, the RX1225RP addresses growing storage demands in virtualization, backup, and data archiving environments requiring high availability.
Ideal for
- Scaling capacity for virtual machine storage repositories and backup targets in vSphere and Hyper-V environments
- Expanding archival storage for long-term data retention and compliance requirements
- Adding performance-tiered storage to existing RackStation deployments without service interruption
- Extending NAS capacity for multi-tenant cloud or service provider environments
- Supporting growing surveillance and video analytics workloads requiring additional bay density
- Consolidating departmental storage by expanding centralized NAS infrastructure
Technical specifications
| Manufacturer | Synology |
| Model | RX1225RP |
| Part Number | RX1225RP |
| Form Factor | 2U Rackmount |
| Bay Count | 12 |
| Drive Type | 3.5-inch SATA |
| Hot-Swap Capable | Yes |
| Power Supply | Redundant (2x) |
| Maximum Drive Capacity Per Bay | 16 TB |
| Maximum Raw Capacity | 192 TB |
| Expansion Type | JBOD/SAS |
| Dimensions (H×W×D) | 88.5 × 482.6 × 317 mm |
| Weight | Approximately 16 kg (empty) |
| Operating Temperature | 0–40°C |
| Storage Protocol | SAS 12Gb/s |
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Technical Specifications
| Brand | Synology |
| Category | Storage Systems |
| SKU | RX1225RP |
| Part Number | RX1225RP |
| Condition | New |
| Model | RX1225RP |
| Form Factor | 2U Rackmount |
| Bay Count | 12 |
| Drive Type | 3.5-inch SATA |
| Hot-Swap Capable | Yes |
| Power Supply | Redundant (2x) |
| Maximum Drive Capacity Per Bay | 16 TB |
| Maximum Raw Capacity | 192 TB |
| Expansion Type | JBOD/SAS |
| Dimensions (H×W×D) | 88.5 × 482.6 × 317 mm |
| Weight | Approximately 16 kg (empty) |
| Operating Temperature | 0–40°C |
| Storage Protocol | SAS 12Gb/s |
Frequently Asked Questions about Synology RX1225RP 12-Bay Expansion Unit
What does the Synology RX1225RP 12-Bay Expansion Unit do?
the Synology RX1225RP 12-Bay Expansion Unit suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.
What are the headline specs of the Synology RX1225RP 12-Bay Expansion Unit?
Key specifications for the Synology RX1225RP 12-Bay Expansion Unit: new condition; manufacturer Synology; model RX1225RP; part number RX1225RP; form factor 2U Rackmount; bay count 12; drive type 3.5-inch SATA. Manufacturer part number RX1225RP. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.