Synology RXD1219sas 12-Bay Storage Expansion Unit RXD1219sas
Description
The Synology RXD1219sas is a 2U rackmount, diskless SAS-3 expansion unit that seamlessly extends your Synology server’s storage capacity by up to 12 additional hot-swappable drive bays. Designed for enterprise environments, it delivers on-the-fly expansion, redundant components, and full integration with DiskStation Manager for unified monitoring and management.
Hardware Specifications
| Specification | Details |
|---|---|
| Drive Bays | 12 × hot-swappable 2.5″/3.5″ SAS HDD/SSD |
| SAS Interface | SAS-3 (12 Gb/s per lane) |
| Host Connection | 1 × mini-SAS HD (SFF-8644) |
| Power Supplies | 2 × hot-swappable, 550 W each, redundant |
| Cooling | 4 × 80 × 80 mm hot-swappable PWM fans |
| Form Factor | 2U rackmount |
| Drive Tray Material | Metal trays with tool-less drive locking |
| Warranty | 5-year limited |
Performance & Connectivity
| Metric | Specification |
|---|---|
| Aggregate Bandwidth | Up to 48 Gb/s over mini-SAS HD link |
| Latency Overhead | Negligible—bays operate as internal |
| Drive-Level Throughput | Limited only by individual drive specs |
The mini-SAS HD interface maintains full SAS-3 bandwidth, ensuring each attached drive operates at native performance without added latency.
Key Features
- On-the-Fly Expansion
Add or remove drives without powering down the host server. - Redundant Power & Cooling
Dual hot-swappable PSUs and modular fans ensure continuous operation. - Unified Management
Automatically detected in DSM’s Storage Manager for RAID creation, expansion, and health monitoring. - Enterprise-Grade Reliability
Metal drive trays, system diagnostics, and Synology-validated SAS drives guarantee 24/7 uptime. - Hot-Swappable Modules
Replace PSUs, fans, and drive trays in the field without service interruption.
Management & Compatibility
- Seamless DSM Integration
Instantly appears in Storage Manager upon connection for volume management and synchronized power control. - Broad Host Support
Compatible with RackStation and Storage Server models featuring a mini-SAS HD expansion port, including RS1219+, RS1619xs+, and select high-end RackStation series. - Synology-Validated Drives
Full performance, reliability, and warranty coverage when using Synology-listed SAS HDDs/SSDs.
Environmental & Physical
| Attribute | Specification |
|---|---|
| Dimensions (H×W×D) | 89 × 482 × 641 mm |
| Weight | 22.5 kg (without drives) |
| Operating Temp. | 0 °C to 40 °C |
| Operating Humidity | 5 % to 95 % RH (non-condensing) |
| Power Consumption (Idle) | 150 W (approximate, without drives) |
| Noise Level (Idle) | 35 dB(A) (measured at 1 m) |
Ideal Use Cases
- Scaling virtualization or database storage
- Adding archive or backup tiers without downtime
- High-availability SAN deployments requiring seamless expansion
- Large-scale media libraries and content distribution nodes
Warranty & Service
Synology backs the RXD1219sas with a 5-year limited warranty, covering hardware replacement and technical support to ensure maximum uptime and return on investment.
Reviews
There are no reviews yet.