Synology DX525 – 5× HAT3300 12 TB (60 TB) – 5-Bay Expansion Unit
The Synology DX525 with 5 × 12 TB HAT3300 drives provides 60 TB of additional storage. USB-C expansion, DSM integration and 3-year Synology warranty.
Synology DX525 – 5× HAT3300 12 TB (60 TB total)
🧩 Overview
The Synology DX525 is a 5-bay expansion unit equipped with 5 Synology HAT3300 12 TB drives, providing 60 TB of raw capacity for compatible NAS systems.
With a USB-C expansion interface and full DSM integration, it ensures seamless scalability, high performance, and dependable storage expansion.
⚙️ Key Features
- 
5 bays for 3.5"/2.5" SATA HDD/SSD (hot-swap)
 - 
Includes 5 × Synology HAT3300 12 TB drives
 - 
USB-C expansion port (cable included)
 - 
DSM-integrated online volume management
 - 
Two 92 mm fans with automatic control
 - 
Noise level : 20.4 dB(A)
 - 
Power supply : 90 W
 - 
Dimensions : 166 × 230 × 223 mm
 - 
Weight : 2.46 kg
 
📦 Box Contents
- 
1 × Synology DX525
 - 
5 × Synology HAT3300 12 TB drives
 - 
1 × USB-C expansion cable
 - 
1 × 90 W power adapter + cord
 - 
1 × screw kit
 - 
User manual
 
🛡️ Warranty
- 
DX525 : 3-year hardware warranty, extendable to 5 years (EW201/EW202)
 - 
HAT3300 drives : 3-year Synology manufacturer warranty
 
🔗 Compatibility
DS1825+, DS1525+, DS925+, DS725+
- Model
 - Synology Expansion Unit DX525
 - Number of disk bays
 - 5
 - Hotswap disk
 - Oui
 - Installed disk capacity
 - 60TB
 - Disk model installed
 - Synology HAT3300
 - Disk interface
 - Serial ATA 6Gb/s (SATA Revision 3)
 - Number of expansion ports
 - 1 port USB Type-C
 - Scalable
 - No
 - PCIe Expansion
 - None
 - Size (Height x Width x Depth)
 - 166 mm x 230 mm x 223 mm
 - Weight
 - 2.5 kg
 - Sound level
 - 20.4 dB(A)
 - Manufacturer's warranty
 - 3-year hardware warranty
 - Form Factor
 - Desktop
 - Color
 - Black
 - Brand
 - Synology
 - Redundant power supply
 - No
 - Product Condition
 - New