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Description

A compact storage hub with 100% data ownership

Conquer data chaos


Compact 4-bay

Up to 80 TB of raw storage

 

Speedy storage

Built-in 2.5GbE port and over 278/281 MB/s sequential read/write

 

Versatile applications

Back up multiple endpoints, manage 40 IP cameras, or safely sync and share files across sites

 

Specification

 

Hardware Specifications

CPU

CPU Model Intel Celeron J4125

CPU Quantity 1

CPU Core 4

CPU Architecture 64-bit

CPU Frequency 2.0 (base) / 2.7 (turbo) GHz

Hardware Encryption Engine

Memory

System Memory 2 GB DDR4 non-ECC

Total Memory Slots 1

Maximum Memory Capacity 6 GB (2 GB + 4 GB)

Notes
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.

Storage

Drive Bays 4

M.2 Drive Slots 2 (NVMe)

Drive Type 
  • 3.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD

Hot Swappable Drive*

Notes
  • The hot swappable drive feature is not supported by M.2 SSD slots.
  • Compatible drives are mandatory. Please consult our  before purchasing hard drives. For more details, please refer to

External Ports

RJ-45 1GbE LAN Port 1

RJ-45 2.5GbE LAN Port 1

USB 3.2 Gen 1 Port 2

Notes MTU value of 1GbE LAN port has a limit of 1500.

Appearance

Size (Height x Width x Depth) 166 mm x 199 mm x 223 mm

Weight 2.18 kg

Others

System Fan 92 mm x 92 mm x 2 pcs

Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode

Brightness Adjustable Front LED Indicators

Power Recovery

Noise Level* 21.6 dB(A)

Scheduled Power On / Off

Wake on LAN / WAN

Power Supply Unit / Adapter 90 watts

AC Input Power Voltage 100V to 240V AC

Power Frequency 50/60 Hz, Single Phase

Power Consumption* 28.25 watts (Access)
6.10 watts (HDD Hibernation)

British Thermal Unit 96.33 BTU/hr (Access)
20.79 BTU/hr (HDD Hibernation)

Notes
  • For more information on how power consumption is measured, refer to
  • Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were 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%.

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

Certification

  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
  • BIS

Warranty

3-year hardware warranty, extendable to 5 years with 

Notes
  • The warranty period starts from the purchase date as stated on your purchase receipt. 
  • EW201/EW202 is only available in Asia, Africa, and Oceania. Refer to the Extended Warranty website for details on supported countries/regions. 

Environment

RoHS Compliant

Packaging Content

  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1
Compatibility

Synology DiskStation DS425+ ,4-Bay Intel Celeron J4125 4-core ,2GB DDR4 ,Diskless NAS

Regular price $648.00

Tax included.

SKU: DS425+

Price Match / Bid Request Ask us to match or bid on pricing

A compact storage hub with 100% data ownership

Conquer data chaos


Compact 4-bay

Up to 80 TB of raw storage

 

Speedy storage

Built-in 2.5GbE port and over 278/281 MB/s sequential read/write

 

Versatile applications

Back up multiple endpoints, manage 40 IP cameras, or safely sync and share files across sites

 

Specification

 

Hardware Specifications

CPU

CPU Model Intel Celeron J4125

CPU Quantity 1

CPU Core 4

CPU Architecture 64-bit

CPU Frequency 2.0 (base) / 2.7 (turbo) GHz

Hardware Encryption Engine

Memory

System Memory 2 GB DDR4 non-ECC

Total Memory Slots 1

Maximum Memory Capacity 6 GB (2 GB + 4 GB)

Notes
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.

Storage

Drive Bays 4

M.2 Drive Slots 2 (NVMe)

Drive Type 
  • 3.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD

Hot Swappable Drive*

Notes
  • The hot swappable drive feature is not supported by M.2 SSD slots.
  • Compatible drives are mandatory. Please consult our  before purchasing hard drives. For more details, please refer to

External Ports

RJ-45 1GbE LAN Port 1

RJ-45 2.5GbE LAN Port 1

USB 3.2 Gen 1 Port 2

Notes MTU value of 1GbE LAN port has a limit of 1500.

Appearance

Size (Height x Width x Depth) 166 mm x 199 mm x 223 mm

Weight 2.18 kg

Others

System Fan 92 mm x 92 mm x 2 pcs

Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode

Brightness Adjustable Front LED Indicators

Power Recovery

Noise Level* 21.6 dB(A)

Scheduled Power On / Off

Wake on LAN / WAN

Power Supply Unit / Adapter 90 watts

AC Input Power Voltage 100V to 240V AC

Power Frequency 50/60 Hz, Single Phase

Power Consumption* 28.25 watts (Access)
6.10 watts (HDD Hibernation)

British Thermal Unit 96.33 BTU/hr (Access)
20.79 BTU/hr (HDD Hibernation)

Notes
  • For more information on how power consumption is measured, refer to
  • Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were 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%.

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

Certification

  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
  • BIS

Warranty

3-year hardware warranty, extendable to 5 years with 

Notes
  • The warranty period starts from the purchase date as stated on your purchase receipt. 
  • EW201/EW202 is only available in Asia, Africa, and Oceania. Refer to the Extended Warranty website for details on supported countries/regions. 

Environment

RoHS Compliant

Packaging Content

  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1
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