Skip to main content

+44 330 043 2524

SYNOLOGY

Synology Expansion Unit DX525 - 5-Drive Bays - Supports Both 2.5" and 3.5" SATA drives

Product code: UK-SYN-DX525
Condition: New
Availability: Vendor Direct Ship | ETA - Request A Quote | Email: sales@hssl.uk | Call Us: +44 330 043 2524

Request A Quote

Synology Expansion Unit DX525 - 5-Drive Bays - Supports Both 2.5" and 3.5" SATA drives Seamless capacity expansion for Synology DiskStation Storage …

Synology Expansion Unit DX525 - 5-Drive Bays - Supports Both 2.5" and 3.5" SATA drives

Synology Expansion Unit DX525 - 5-Drive Bays - Supports Both 2.5" and 3.5" SATA drives

Synology Expansion Unit DX525 - 5-Drive Bays - Supports Both 2.5" and 3.5" SATA drives

Seamless capacity expansion for Synology DiskStation

Storage expansion without downtime

Easily add five additional drive bays to your Synology DiskStation.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.

 
 
 

 
Specifications
Applied Models
Supports creating volumes across different units
  • 25 series:DS1825+, DS1525+, DS925+, DS725+
  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.
Storage
Drive Bays 5
  Drive Type
  • 3.5" SATA HDD
  • 2.5" SATA SSD
  Hot Swappable Drive*  
  RAID Management through Synology DSM  
  Notes Compatible drives are mandatory. 
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)
     
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
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%
Certification
  • FCC
  • CE
  • BSMI
  • UKCA
  • EAC
  • VCCI
  • RCM
  • KC
  • BIS
Warranty
3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus
  Notes
  • Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
  • The warranty period starts from the purchase date as stated on your purchase receipt.
Environment & Packaging
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
(Manufacturer Standard Warranty) - Not Clear what product you need, or can't find your specific product/service part number? Call us +44 330 043 2524 | You can also use the quote request page

Customer Reviews

This product hasn't received any reviews yet. Be the first to review this product!

Top
HSSL © 2025. All Rights Reserved.
american expressdiners clubdiscovermaestromasterpaypalvisa
Review Your Cart Close Close
Your cart is empty Your cart is empty Your cart is empty