Synology RX1225RP 12-Bay Rackmount Expansion Unit
Instantly Expand Your RackStation—12-Bay Redundant Storage Add seamless, high-availability capacity to your RackStation without downtime. Designed for easy deployment, modular maintenance, and continuous reliability. Highlights...
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Instantly Expand Your RackStation—12-Bay Redundant Storage
Add seamless, high-availability capacity to your RackStation without downtime. Designed for easy deployment, modular maintenance, and continuous reliability.
Highlights
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Seamlessly adds 12 extra bays to compatible RackStation models
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Plug-and-play expansion—no system or service downtime
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Modular hot-swappable drive trays and system fans for simple maintenance
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Redundant power supply units ensure maximum uptime
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Managed through Synology’s intuitive Storage Manager
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Designed for Synology Enterprise Series drives for best reliability
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5-year limited warranty with technical support and hardware replacement
Key Features
Expansion & Compatibility
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Bays: 12 (supports both 3.5" SATA HDD and 2.5" SATA SSD)
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Compatible Models: Supports creating volumes across units with RS2825RP+
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Volume Management: Recommended to keep volumes physically within the same NAS or expansion unit for best performance
Reliability & Maintenance
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Hot Swappable Drives: Yes, for non-stop operation
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Modular Fans: Easy replacement for fast servicing
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Redundant Power: Dual power supply units to prevent downtime
Deployment & Management
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Plug-and-Play: Immediate expansion with included MiniSAS-HD cable
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Centralized Management: Expand and manage via Synology DSM Storage Manager
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RoHS Compliant: Designed with environmental standards in mind
Accessories & Options
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Included: Main unit, accessory pack, 2 × AC power cords, MiniSAS-HD expansion cable
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Optional:
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Synology HAT5300 Enterprise 3.5" SATA HDD
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Synology HAT3300 Plus 3.5" SATA HDD
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Synology SAT5200 Enterprise 2.5" SATA SSD
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Rail Kit Sliding (RKS-02)
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Drives & Performance
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Optimized for Synology HDD/SSD: Enterprise and Plus Series for reliability, consistency, and simplified management
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RAID Management: Full support via Synology DSM for flexible storage configurations
Warranty & Support
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5-year limited warranty, including tech support and hardware replacement
Summary
The Synology RX1225RP expansion unit brings instant, high-reliability 12-bay storage to RackStation setups. Enjoy seamless plug-and-play deployment, easy modular maintenance, and maximum uptime with redundant power—all managed from Synology’s intuitive DSM. Backed by a 5-year warranty, RX1225RP keeps your growing data infrastructure resilient and future-ready.
Synology RX1225RP 12-Bay Rackmount Expansion Unit
The Synology RX1225RP is a high-capacity rackmount expansion unit, enabling seamless scalability and enterprise-level reliability for growing Synology RackStation deployments. Ideal for business data backup and storage expansion.
Specifications
Specification | Details |
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Applied Models | |
Compatible RackStation | RS2825RP+ |
Volume Creation Across Units | Supported |
Storage | |
Drive Bays | 12 |
Supported Drive Types | • 3.5" SATA HDD • 2.5" SATA SSD |
Hot Swappable Drive | Yes |
RAID Management | Via Synology DSM |
External Ports | |
Expansion Port | 1 × Mini-SAS HD |
Appearance | |
Size (H × W × D) | 88 × 430.5 × 692 mm (3.5 × 17 × 27.2 in) |
Size with Server Ears | 88 × 482 × 724 mm (3.5 × 19 × 28.5 in) |
Weight | 13.9 kg (30.6 lb) |
Rack Installation Support | 4-post 19" rack (Synology Rail Kit RKS-02, sold separately) |
Power | |
Power Recovery | Synchronized with Synology RackStation |
Power Supply Unit / Adapter | 550 W |
AC Input Power Voltage | 100 V to 240 V AC |
Power Frequency | 50/60 Hz, Single Phase |
Power Consumption | • 92.13 W (Access) • 33.44 W (HDD Hibernation) |
British Thermal Unit | • 314.16 BTU/hr (Access) • 114.03 BTU/hr (HDD Hibernation) |
Redundant Power Supply | Yes |
Temperature | |
Operating Temperature | 0°C to 35°C (32°F to 95°F) |
Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
Operating Humidity | 8% to 80% RH |
Storage Humidity | 5% to 95% RH |
Others | |
System Fan | 4 × 80 mm |
Easy Replacement System Fan | Yes |
Noise Level | 39.5 dB(A) |
Certification | UL, FCC, CE, BSMI, UKCA, EAC, VCCI, RCM, KC, BIS |
Warranty | 5 years |
Environment | RoHS Compliant |
Packaging Content | • Main Unit × 1 • Accessory Pack × 1 • AC Power Cord × 2 • Expansion Cable: Mini-SAS HD × 1 |
Optional Accessories | • Enterprise Series 3.5" SATA HDD: HAT5300 Series • Plus Series 3.5" SATA HDD: HAT3300 Series • Enterprise Series 2.5" SATA SSD: SAT5200 Series • Rail Kit Sliding: RKS-02 |
