Synology DiskStation DS120j 1-Bay NAS Enclosure

MX79741 DiskStation DS120j 1-Bay NAS Enclosure
MX79741 DiskStation DS120j 1-Bay NAS Enclosure MX79741 DiskStation DS120j 1-Bay NAS Enclosure MX79741 DiskStation DS120j 1-Bay NAS Enclosure MX79741 DiskStation DS120j 1-Bay NAS Enclosure

Product Info

DiskStation DS120j – Your Personal Cloud Solution For Effortless Data Management

Synology DiskStation DS120j is a budget-friendly and easy-to-use 1-bay NAS for storing, sharing and protecting personal data. DS120j offers a variety of applications, allowing beginners to explore the convenient functionality of a Synology NAS. DS120j is backed by Synology's 2-year limited warranty.

An ideal first NAS for everyone

DS120j is a centralized storage solution that allows you to share family photos and videos to all household devices, such as computers and mobile phones.

Fast Performance

Over 112 Mbps sequential reading


9.81 watts under full operation

  • 800MHz Marvell Armada 3700 88F3720 Dual-Core CPU
  • An easy-to-use 1-bay personal cloud storage for NAS starters
  • Sequential throughput at over 112 MB/s reading and 106 MB/s writing
  • Cross-device file sharing and syncing platform
  • Reliable computer backup companion for Windows®/macOS® and photos from mobile device
  • Freely access your files on the go with iOS and Androidâ„¢ mobile apps



Seamless Integration with Your Mobile Devices

Synology mobile applications are designed to allow quick and secure access to your data wherever you are.


Centralized Backup Solution for Your Digital Devices

Synology's comprehensive multi-version backup solution protects your digital assets on computers (Windows/Mac) and mobile phones (Android/iOS) against malicious attacks, including the rising encryption-based ransomware threats.


Easy File Access with QuickConnect

Access files on your Synology NAS over the Internet without the hassle of setting up port forwarding rules, DDNS, or other complicated network settings. QuickConnect allows you to connect via a secure, customizable address, so that you can instantly access media and work files on any Internet-connected device with no additional charge.

Powered by Synology DSM

File Server/Management

Powerful built-in file management and sharing services.

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Complete multimedia solution for management, streaming, and playback.

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Hyper Backup

Store multiple backup versions with block-level incremental data backup and cross-version deduplication.

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Award-winning operating system with an intuitive user interface and powerful capabilities.

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Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.

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All-in-one Server

Save additional investment by integrating various network services, web/mail services, management applications into your NAS.

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Additional Information:

Visit the Manufacturer Product Web Page for Full Details

Download the Manufacturer Datasheet


Product Synology DiskStation 1-Bay NAS
Part Number DS120j
CPU Marvell Armada 3700 88F3720 (64-bit)
Dual Core 800MHz
Hardware Encryption Engine (AES-NI)
System Memory 512 MB DDR3L
Drive Bay(s) 1
Compatible Drive Type 3.5" SATA HDD
2.5" SATA HDD (with optional 2.5" disk holder)
Max Internal Raw Capacity 16 TB (16 TB drive x 1) (Capacity may vary by RAID types)
Max Single Volume Size 108 TB
Hot Swappable Drive N/A
External Ports 1 x RJ-45 1GbE LAN port
2 x USB 2.0 ports
File System

Internal Drives:

External Drives:
exFAT (exFAT Access is purchased separately in Package Center)

System Fan 1 x 60x60mm fan
Fan Speed Mode Full-speed Mode, Cool Mode, Quiet Mode, Low-power Mode
Noise Level 16.9 dB(A)
Brightness Adjustable Front LED Indicators N/A
Power Supply Unit / Adapter 36W AC adapter
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 HZ, Single Phase
Power Consumption 9.81W (Access)
4.68W (HDD Hibernation)
Temperature Operating: 0°C to 40°C (32°F to 104°F)
Storage: -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification FCC, CE, EAC, BSMI, VCCI, CCC, RCM, KC
Environment RoHS compliant
Dimensions (WxHxD) 71 x 166 x 224 mm
Weight 0.70 kg

Package Contents

  • Synology DiskStation DS120j 1-Bay NAS
  • Accessory Pack
  • AC Power Adapter
  • RJ-45 LAN Cable
  • Quick Installation Guide