SYNOLOGY DX525 Expansion Unit 5Bay HDD/SSD

The Synology DX525 expansion unit is the perfect solution for those who seek to expand the storage capacity of their Synology NAS system. With an elegant and functional design, this expansion unit has five bays that are compatible with both HDD hard drives and SSD state units. This allows users to customize their storage according to their needs, either to increase data capacity or to improve performance with SSD discs.

The DX525 is connected in a simple and fast way to Synology compatible models, allowing a fluid integration without complications. Its optimized design ensures excellent ventilation, maintaining discs in optimal operating conditions. In addition, the unit is equipped with data protection technologies, guaranteeing that your information is safe and accessible at all times.

With a maximum expansion capacity of up to 80 TB, the DX525 is ideal for business environments that require robust and reliable storage. Whether need for file management, backup copies or media storage, this unit adapts to various applications, offering constant and efficient performance.

The installation of discs is simple, thanks to its fast access system, which allows users to make changes without additional tools. With the Synology DX525, it will obtain a versatile, scalable and safe storage solution, ideal for those who seek to maximize the potential of their Synology.

Technical Specifications

• Brand Synology
• Model DX525
• Storage – Drive bay(s): 5
• Compatible drive type:
• 3.5″ SATA HDD
• 2.5″ SATA SSD
• Hot-swappable drives
• * Compatible drives are mandatory. Please check our compatibility list before purchasing hard drives. For more details, please refer to this article.
• RAID management through Synology DSM
• Connections External port
• 1 x expansion port
• Features – Supports volume creation on different drives: DS925+
• * For better performance, we recommend creating storage volumes physically located within the same NAS or expansion unit rather than creating volumes across both.
• System fan: 92 mm x 92 mm x 2 pcs
• Noise level: 20.4 dB(A)
• Environment: RoHS compliant
• Power
• Power recovery: Synchronized with Synology DiskStation
• Power supply / 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 (Hard drive hibernation)
• * For more information on how power consumption is measured, please refer to this article.
• British thermal unit:
• 120.69 BTU/hr (Access)
• 24.02 BTU/hr (Hard drive hibernation)
• Certification
• FCC
• CE
• BSMI
• UKCA
• EAC
• VCCI
• RCM
• KC
• BIS
• Environmental
• 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
• Dimensions and weight
• 166 x 230 x 223 mm
• 2.46 kg
• Contents
• 1 x Main unit
• 1 x Expansion cable: USB type-C
• 1 x Accessory package
• 1 x AC power adapter
• 1 x AC power cable
• Review Date 27-05-2025 by RTY