SYNOLOGY Expansion Unit DX525

Expansion Unit DX525

• Storage expansion without downtime
  • Easily add five additional drive bays to your Synology DiskStation.1 The DX525 supports both 2.5" and 3.5" SATA drives and features plug-and-play setup and hot-swap capability for uninterrupted operation during capacity expansion.
• Dedicated local backup solution
  • The Synology DX525 provides a dedicated local backup solution for your Synology DiskStation. When configured as a separate volume, it safeguards data on its local disks in case of system failure.
• Online volume expansion
  • Managed through the host NAS's DiskStation Manager (DSM), the DX525's additional bays are immediately available upon connection. On-the-fly volume expansion ensures uninterrupted service and storage expansion on the host.
• 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.
• Synology has you covered
  • The DX525 is backed by Synology's three-year limited warranty,2,3 including technical support and hardware replacement services. Extend your coverage to five years and gain access to premium services that accelerate recovery in the event of a disaster with Extended Warranty Plus.

• Supports creating volumes across different units 25 series:DS1825+, DS1525+, DS925+, DS725+

• Drive Bays 5
• Drive Type
  • 3.5" SATA HDD
  • 2.5" SATA SSD
• Hot Swappable Drive Yes
• RAID Management through Synology DSM Yes

• Expansion Port 1

• Size (Height x Width x Depth) 166 mm x 230 mm x 223 mm
• Weight 2.46 kg

• 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)

• Operating Temperature 0°C to 40°C (32°F to 104°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

• System Fan 92 mm x 92 mm x 2 pcs
• Noise Level 20.4 dB(A)

• FCC
• CE
• BSMI
• UKCA
• EAC
• VCCI
• RCM
• KC
• BIS

• 3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus

• Environment RoHS Compliant
• Packaging Content
  • Main Unit X 1
  • Expansion Cable: USB Type-C X1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
• Optional Accessories
  • Enterprise Series 3.5" SATA HDD: HAT5300 Series
  • Plus Series 3.5" SATA HDD: HAT3300 Series
  • Enterprise Series 2.5" SATA SSD: SAT5200 Series