An essential entry-level NAS for your home
Access Synology solutions in a cost-effective and environmentally responsible way. All certified refurbished products are put through extensive testing, comply with stringent quality standards, and come with a 2-year warranty.
Flexibly store up to 64 TB of data
Safely share files and media over your private cloud for easier collaboration and better productivity.
Leverage intuitive surveillance tools to protect your premises and store footage from up to 16 IP cameras.
Import and sync data scattered across PCs, Macs, phones, and external storage devices to implement well-organized file management for your business. Learn more
Browse, access, edit, and share files securely and conveniently via desktop, mobile, or web browser platforms. Use intuitive admin tools to track and set file permissions and control access to documents, files, and other data.
Save space on your personal devices by only synchronizing the files you need from your Synology system. Pin frequently accessed files for convenient offline accessibility.
Sync your private storage servers with public cloud services such as Google Drive, Dropbox, and Microsoft OneDrive. Retain local copies of your cloud data for centralized management and data ownership. Learn more
Build a private data cloud that syncs and shares files swiftly between multiple storage servers, letting everyone access the same set of data at their convenience.
Manage and organize photos efficiently, back up and secure your digital data, and safeguard your physical premises with the DS420j.
Store and organize photos, albums, and other media with smart and intuitive features. Back up your memories with the mobile app, and leverage privacy-focused options to share media securely with friends, family, or colleagues. Learn more
Safeguard your digital world and back up all your documents, files, photos, and more with license-free backup solutions.
Safeguard mobile media such as photos and videos by automatically storing remote copies onto Synology Photos or Synology Drive.
Protect your data against ransomware attacks or accidental deletion with real-time or scheduled backups of computer folders with Synology Drive.
Secure your home or business with a powerful solution to monitor, archive, and analyze footage centrally. Learn more
Connect up to 16 IP cameras by selecting from a wide variety of over 8,300 validated models or ONVIF devices.
Monitor video streams in real time via web browsers, desktop clients, or mobile apps to protect your premises 24/7. Set up alerts and triggers to get notified of suspicious activity.
Leverage Synology solutions to back up all data stored on your DS420j onto a secondary server, external storage device, or the cloud.
Back up your Synology device, including system settings, applications, and shared folders, save space with data deduplication, and store copies to multiple destinations. Learn more
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.
Hardware Specifications |
||
|---|---|---|
CPU |
||
|
CPU
|
CPU Model | Realtek RTD1296 |
| CPU Quantity | 1 | |
| CPU Core | 4 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 1.4 GHz | |
| Hardware Encryption Engine | ||
Memory |
||
|
Memory
|
System Memory | 1 GB 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 |
||
|
Storage
|
Drive Bays | 4 |
| Drive Type (See all supported drives) |
|
|
| Hot Swappable Drive* | ||
External Ports |
||
|
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. | |
Appearance |
||
|
Appearance
|
Size (Height x Width x Depth) | 184 mm x 168 mm x 230 mm |
| Weight | 2.21 kg | |
Others |
||
|
Others
|
System Fan | 80 mm x 80 mm x 2 pcs |
| Fan Speed Mode |
|
|
| Brightness Adjustable Front LED Indicators | ||
| Power Recovery | ||
| Noise Level* | 20.6 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 |
21.71 watts (Access) 7.88 watts (HDD Hibernation) |
|
| British Thermal Unit |
74.03 BTU/hr (Access) 26.87 BTU/hr (HDD Hibernation) |
|
| Notes |
|
|
Temperature |
||
|
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 |
||
|
Certification
|
|
|
Warranty |
||
|
Warranty
|
2 Years | |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
Environment |
||
|
Environment
|
RoHS Compliant | |
Packaging Content |
||
|
Packaging Content
|
|
|
Optional Accessories |
||
|
Optional Accessories
|
Plus Series 3.5" SATA HDD: HAT3300 Series | |
