Expansion Unit RX2417sas
Expansion Unit RX2417sas
Effortless capacity expansion for Synology FlashStation and RackStation1 solutions on-the-fly.
24-bay 2.5" SAS/SATA expansion
Easily add 24 additional drive bays to Synology FlashStation or RackStation1. Supporting 2.5" SAS/SATA drives, the RX2417sas is a flexible solution supporting on-the-fly volume expansion or serving as a local backup destination.
Maximum reliability design
Dual power supplies ensure continuous service uptime. Easily replace defective drives with the hot swappable drive trays. Experience fast and secure rack cabinet installation with the optional sliding rail kit RKS1317.

5-year warranty
At Synology, we are committed to product innovation and quality. Synology guarantees a robust and reliable data management experience with a 5-year limited warranty, providing responsive technical support and hardware replacement services to maximize your return on investment.
Notes:
- View specifications for a list of supported models.
Hardware Specifications |
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Applied Models |
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Applied Models |
Supports creating volumes across different units |
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Notes |
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Storage |
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Storage |
Drive Bays | 24 |
Compatible Drive Type* (See all supported drives) |
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Maximum Internal Raw Capacity | 184.32 TB (7.68 TB drive x 24) (Capacity may vary by RAID types) | |
Hot Swappable Drive | ||
RAID Management through Synology DSM | ||
Notes | Storage Pool and volume creation require all drives to be listed as compatible on the device model's compatibility list. | |
External Ports |
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External Ports |
SAS IN-port | 1 |
SAS OUT-port | 1 | |
Appearance |
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Appearance |
Size (Height x Width x Depth) | 88 mm x 430.5 mm x 692 mm |
Size (Height x Width x Depth) (with server ears) | 88 mm x 482 mm x 724 mm | |
Weight | 16.6 kg | |
Rack Installation Support* | 4-post 19" rack (Synology Rail Kit - RKS1317) | |
Notes | The rail kit is sold separately | |
Power |
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Power |
Power Supply Unit / Adapter | 500 W |
AC Input Power Voltage | 100 V to 240 V AC | |
Power Frequency | 50/60 Hz, Single Phase | |
Power Consumption* |
201.6 W (Access) 117.2 W (HDD Hibernation) |
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British Thermal Unit |
687.89 BTU/hr (Access) 399.9 BTU/hr (HDD Hibernation) |
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Redundant Power Supply (for RP model) | ||
Notes | Power consumption is measured when it's fully loaded with Toshiba 600GB AL14SEB060N hard drive(s). | |
Temperature |
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Temperature |
Operating Temperature | 5°C to 35°C (40°F to 95°F) |
Storage Temperature | -20°C to 60°C (-5°F to 140°F) | |
Relative Humidity | 5% to 95% RH | |
Others |
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Others |
System Fan | 60 mm x 60 mm x 4 pcs |
Easy Replacement System Fan | ||
Noise Level* | 60.8 dB(A) | |
Notes | Noise Level Testing Environment: Fully loaded with Seagate ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology expansion unit at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%. | |
Certification |
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Certification |
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Warranty |
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Warranty |
5 Years | |
Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
Environment & Packaging |
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Environment |
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Environment |
RoHS Compliant | |
Packaging Content |
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Packaging Content |
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Optional Accessories |
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Optional Accessories |
Rail Kit Sliding: RKS1317 |
Notes:
- Model specifications are subject to change without prior notice.
- The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our regional partners for professional advice.