Synology DS1525+

5 x 4 TB, Synology HAT 33xx
19Ratings
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Delivered between Fri, 13.3. and Mon, 16.3.
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Memory Size4

Product details

The Synology NAS DiskStation DS1525+ is a powerful 5-bay NAS enclosure designed for storing and managing large amounts of data. With the capability to reach up to 300 TB of raw storage through expansion units, this device offers a flexible solution for growing storage needs. The integrated 2.5GbE ports enable high transfer rates of over 1,180 MB/s for sequential read and write operations, while support for M.2 NVMe drives provides an ultra-fast cache. The DS1525+ is ideal for endpoint backup, IP camera management, and secure data sharing across different locations. With a robust AMD Ryzen Embedded V1000 processor and the option for RAM expansion, this NAS system is both powerful and customizable to meet individual requirements.

  • Expandable storage capacity up to 300 TB with DX525 units
  • High transfer rates of over 1,180 MB/s through integrated 2.5GbE ports
  • Support for SATA SSDs, HDDs, and M.2 NVMe drives
  • Management of up to 40 IP cameras for professional video surveillance
  • Redundant power supply for increased reliability.

Key specifications

NAS HDD assembly
NAS Hardbundle
Max. number of hard disks
5
RAID configuration
0, 1, 10, 5, 6, JBOD
Working memory
8 GB
Total storage capacity
20 TB
Network connections
RJ45 (2x)
Exact USB ports
USB-A 3.0 (2x)

General information

Item number
61877151
Manufacturer
Synology
Category
NAS
Manufacturer no.
DS1525+ Syno Plus HAT33x 20 TB
Release date
6.9.2025

Colour

Colour
Black
Exact colour description
Black

NAS properties

NAS HDD assembly
NAS Hardbundle
Model
Desktop
Max. number of hard disks
5
Hard drive form factor
2.5", 3.5", M.2 2280
RAID configuration
0, 1, 10, 5, 6, JBOD
Memory type
DDR4-RAM
Working memory
8 GB
Maximum possible memory
32 GB
Add-on packages
The Cloud Sync

Hard drive slots

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

Processor

Processor type
AMD Ryzen Embedded V1500B
Clock frequency
2.20 GHz
Number of processor cores
4 -Core

Network connections

Network connections
RJ45 (2x)

Wireless transmission

Connectivity
Ethernet, RJ45, USB

Additional connections

USB ports
USB-A
Exact USB ports
USB-A 3.0 (2x)
Internal connection options
M.2 (2x)

Video surveillance

Number of camera licenses included
0x
Max. number of cameras
40x

Mains supply properties

Power consumption
44.56 W
Power consumption (standby)
13.63 W
Number of fans
2x
Fan diameter
92 mm
Redundant power supply unit
No

Voluntary climate contribution

CO₂ emissions
15.31 kg
Climate contribution
CHF 0.37

Scope of delivery

Scope of delivery
AC, Lan (RJ-45)

Product dimensions

Length
22.30 cm
Width
23 cm
Height
16.60 cm
Weight
2.67 kg

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

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Goes with

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.Ubiquiti
    0.8 %
  • 2.QNAP
    0.9 %
  • 3.Synology
    1 %
  • 3.Ugreen
    1 %
  • 5.Asustor
    1.3 %

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.Ubiquiti
    3 days
  • 3.WD
    4 days
  • 4.Synology
    5 days
  • 5.QNAP
    10 days

Return rate

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

Source: Digitec Galaxus
  • 1.QNAP
    2.7 %
  • 1.Synology
    2.7 %
  • 3.Ugreen
    2.8 %
  • 4.Ubiquiti
    3.2 %
  • 5.Terramaster
    6.4 %
Source: Digitec Galaxus