Synology DS425+

4 x 12 TB, Synology HAT 33xx
12Ratings
BrandMore from Synology
Delivered between 10.3.2026 and 24.4.2026
Supplied by
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Memory Size8

Product details

The Synology NAS DiskStation DS425+ is a powerful network-attached storage solution designed for storage, synchronization, and collaboration in a central hub. With four drive bays, this model offers a maximum storage capacity of 48 TB, making it ideal for managing large amounts of data. The DiskStation supports both 2.5-inch and 3.5-inch hard drives, allowing for flexible adaptation to individual storage needs. The expandable RAM ensures that performance can be maintained even as demands increase. Support for RAID and hot-swap functionality guarantees high data security and easy maintenance, while various interfaces such as RJ-45, SATA, and USB provide versatile connectivity options.

  • Expandable RAM for improved performance
  • RAID support for data security
  • Hot-swap functionality for easy maintenance
  • Compatible with 2.5/3.5 inch and M.2 hard drives
  • Versatile connectivity options via RJ-45, SATA, and USB.

Key specifications

NAS HDD assembly
NAS Hardbundle
Network connections
RJ45 Gigabit Ethernet (2x)
Max. number of hard disks
4
Memory
2 GB
Total storage capacity
48 TB
Item number
61028785

General information

Manufacturer
Synology
Category
NAS
Manufacturer no.
DS425+ Syno Plus HAT33x 48 TB
Release date
13.8.2025

Colour

Colour
Black
Exact colour description
Black

NAS properties

NAS HDD assembly
NAS Hardbundle
Model
Desktop
Max. number of hard disks
4
Hard drive form factor
2.5", 3.5", M.2 2280
Memory
2 GB
Maximum possible memory
6 GB

Hard drive slots

Data storage configuration
4 x 12 TB
Total storage capacity
48 TB
HDD/SSD model
Synology HAT 33xx
Hard disk additional functions
Hot swapping

Network connections

Network connections
RJ45 Gigabit Ethernet (2x)

Wireless transmission

Connectivity
LAN

Additional connections

USB ports
USB-A
Internal connection options
S-ATA (4x)

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
4x 12 TB Synology Plus HDD (pre-installed)

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «NAS» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.QNAP
    0.9 %
  • 2.Synology
    1 %
  • 3.Ugreen
    1.1 %
  • 4.Asustor
    1.8 %
  • 5.Terramaster
    2.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Ugreen
    1 day
  • 2.QNAP
    3 days
  • 3.Synology
    5 days

Return rate

How often is a product of this brand in the «NAS» category returned?

Source: Digitec Galaxus
  • 1.Ugreen
    2.2 %
  • 2.Synology
    2.5 %
  • 3.QNAP
    3.1 %
  • 3.Ubiquiti
    3.1 %
  • 5.Asustor
    3.9 %
Source: Digitec Galaxus