Synology DS1525+

5 x 4 TB, Synology HAT 33xx
10Ratings
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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
Sales rank in Category NAS
81 of 596

Colour

Colour
Black
Exact colour description
Black, Black

NAS properties

NAS HDD assembly
NAS Hardbundle
Model
Desktop
Max. number of hard disks
5
Hard drive form factor
2.5", 3.5"
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 connections
M.2 (2x)

Video surveillance

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

Power

Power consumption (standby)
13.63 W
Power consumption
44.56 W

Mains supply properties

Number of fans
2x
Fan diameter
92 mm
Redundant power supply unit
No

Origin

Country of origin
Taiwan

Voluntary climate contribution

CO₂ emissions
15.31 kg
Climate contribution
CHF 0.37

Scope of delivery

Scope of delivery
AC Cables, 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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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
    0.8 %
  • 2.Ugreen
    1 %
  • 3.Synology
    1.1 %
  • 3.Ubiquiti
    1.1 %
  • 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
    2 days
  • 2.Ubiquiti
    3 days
  • 3.Synology
    4 days
  • 4.QNAP
    8 days
  • 5.WD
    9 days

Return rate

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

Source: Digitec Galaxus
  • 1.QNAP
    2.2 %
  • 2.Synology
    2.7 %
  • 3.Ugreen
    2.8 %
  • 4.Ubiquiti
    4.3 %
  • 5.Asustor
    5.4 %
Source: Digitec Galaxus