Synology DiskStation DS220j
Synology DiskStation DS220j
Synology DiskStation DS220j
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Synology DiskStation DS220j

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  Household Cloud Solution for Data Sharing and Backup

 Synology DiskStation DS220j is an entry-level network-attached storage for your household to store and share photos, videos, documents, and all types of personal data. The 2-bay private cloud solution provides complete and intuitive data protection approaches for you to easily back up computer data and mobile photos, with just a few clicks.  


  • A Simple-to-Use Private Cloud for Everyone

24/7 file server for your household to store, share, and
backup personal data

  • Easy-to-Use

Award-winning DiskStation Manager (DSM) brings
intuitive operation flow and reduces learning curve

  • Seamless File Sharing

Access and share data with any Windows, macOS,
and Linux computers or mobile devices

  • On-the-Fly Streaming

Integrated media server to support multimedia content

  • Anytime, Anywhere

Freely access private cloud files on-the-go and back up
mobile photos with iOS and Android apps

  • Data Guardian

Safeguard digital assets with cross-platform computer
backup applications

Technical Specifications

CPU CPU Model Realtek RTD1296

CPU Quantity 1

CPU Architecture 64-bit

CPU Frequency 4-core 1.4 GHz

Hardware Encryption Engine
Memory System Memory 512 MB DDR4 non-ECC

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.
Storage Drive Bays 2

Compatible Drive Type* (See all supported drives) 3.5" SATA HDD
2.5" SATA HDD (with optional 2.5" Disk Holder)
2.5" SATA SSD (with optional 2.5" Disk Holder)

Hot Swappable Drive* -

Notes "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
External Ports RJ-45 1GbE LAN Port 1

USB 3.2 Gen 1 Port* 2

Notes The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
File System Internal Drives EXT4

External Drives EXT4

Notes exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.
Appearance Size (Height x Width x Depth) 165 mm x 100 mm x 225.5 mm

Weight 0.88 kg
Others System Fan 92 mm x 92 mm x 1 pcs

Fan Speed Mode Full-Speed Mode
Cool Mode
Quiet Mode
Low-power Mode

Brightness Adjustable Front LED Indicators

Power Recovery

Noise Level* 18.2 dB(A)

Scheduled Power On / Off

Wake on LAN / WAN

Power Supply Unit / Adapter 60 W

AC Input Power Voltage 100V to 240V AC

Power Frequency 50/60 Hz, Single Phase

Power Consumption 12.46 W (Access)
5.06 W (HDD Hibernation)

British Thermal Unit 45.52 BTU/hr (Access)
17.27 BTU/hr (HDD Hibernation)

Notes Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. 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 EAC