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Seamless 4-bay capacity expansion
Add 4 additional storage bays to compatible RackStation systems with a single RX426 without system or service downtime.
Simple deployment and management
Get up and running without delay thanks to RX426's plug-and-play design, and easily expand and manage your storage using the intuitive Storage Manager in Synology DiskStation Manager.

Performance backed by Synology drives
Designed for Synology systems, Synology drives deliver consistent performance and unmatched reliability for your deployments.
Hard drives designed for Synology
See how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.
Notes:
- Storage drives are sold separately. Refer to the compatibility list for compatible devices before purchasing drives. For more details, please refer to this article.
- The warranty period starts from the date of purchase as stated on your purchase receipt. Visit https://www.synology.com/company/legal/warranty for more information.
(RX426)
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Hardware Specifications |
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Applied Models |
Supports creating volumes across different units |
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| Notes | To have better performance, we recommend creating storage volumes physically located within the same NAS or Expansion Unit, rather than creating volumes across your NAS and Expansion Unit. | |
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Storage |
Drive Bays | 4 |
| Drive Type (See all supported drives) |
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| Hot Swappable Drive* | ||
| RAID Management through Synology DSM | ||
| Notes | Compatible drives are mandatory. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article. | |
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External Ports |
Expansion Port | 1 |
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Appearance |
Size (Height x Width x Depth) | 44 mm x 430.5 mm x 290 mm |
| Size (Height x Width x Depth) (with server ears) | 44 mm x 480 mm x 325 mm | |
| Weight | 4.18 kg | |
| Rack Installation Support | ||
| Notes | The rail kit is sold separately | |
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Power |
Power Recovery | Synchronized with the Synology RackStation |
| Power Supply Unit / Adapter | 100 W | |
| AC Input Power Voltage | 100V to 240V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption | 29.96 W (Access) 6.63 W (HDD Hibernation) |
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| British Thermal Unit | 102.16 BTU/hr (Access) 22.61 BTU/hr (HDD Hibernation) |
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| Notes | For more information on how power consumption is measured, refer to this article. | |
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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 | |
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Others |
System Fan | 40 mm x 40 mm x 3 pcs |
| Noise Level | 32.8 dB(A) | |
| Notes | Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%. | |
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Certification |
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Warranty |
3-year hardware warranty, extendable to 5 years with EW201 | |
| Notes |
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Environment & Packaging |
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Environment |
RoHS Compliant | |
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Packaging Content |
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Optional Accessories |
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| SKU | RX426 |
| Brand | SYNOLOGY |
| Shipping Weight | 5.0000kg |
| Shipping Width | 0.450m |
| Shipping Height | 0.450m |
| Shipping Length | 0.300m |
| Shipping Cubic | 0.060750000m3 |
- Manufacturer Warranty
- 3-year hardware warranty, extendable to 5 years with EW201
- Manufacturer Contact Info
- http://www.synology.com
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