- New

5-bay expansion units for desktop models, connect through a Type-C expansion cable
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
The Synology DX525 allows users to easily add up to five 2.5-inch or 3.5-inch drives to their setup, thanks to its straightforward installation process and DSM’s intuitive volume management software.
Capacity Expansion : Add 5 additional 3.5"/2.5" SATA HDD/SSD to your DiskStation.
Fast and Intuitive Setup : Configure new storage in minutes with Synology DSM's unified tools.
Uninterrupted Storage Expansion : Add new volumes or expand current volumes without service interruptions.
Extendable Product Support : Backed by Synology's 3-year limited hardware warranty, extendable to 5 years in select markets.
Storage |
Drive Bays |
5 |
---|---|---|
Drive Type (See all supported drives) |
|
|
Hot Swappable Drive* |
Yes |
|
RAID Management through Synology DSM |
Yes |
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Notes |
Compatible drives are mandatory. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article. |
|
External Ports |
Expansion Port |
1 |
Appearance |
Size (Height x Width x Depth) |
166 mm x 230 mm x 223 mm |
Weight |
2.46 kg |
|
Power |
Power Recovery |
Synchronized with the Synology DiskStation |
Power Supply Unit / Adapter |
90 W |
|
AC Input Power Voltage |
100V to 240V AC |
|
Power Frequency |
50/60 Hz, Single Phase |
|
Power Consumption* |
35.37 W (Access)7.0 W (HDD Hibernation) |
|
British Thermal Unit |
120.69 BTU/hr (Access)24.02 BTU/hr (HDD Hibernation) |
|
Notes |
For more information on how power consumption is measured, refer to this article. |
|
Temperature |
Operating Temperature |
0°C to 40°C (32°F to 104°F) |
Storage Temperature |
-20°C to 60°C (-5°F to 140°F) |
|
Relative Humidity |
5% to 95% RH |
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Others |
System Fan |
92 mm x 92 mm x 2 pcs |
Noise Level* |
20.4 dB(A) |
|
Notes |
Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two G.R.A.S. Type 40AE microphones are 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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