Synology DiskStation DS420j 4 Bay NAS - An essential entry-level NAS for your home

Build a private cloud for your home
DS420j is a 4-bay desktop NAS designed for home data backup, file syncing, and sharing. Supporting up to 64 TB raw capacity, you can easily centralize all your multimedia collections.

Manage your photo collections
Smartly organize your photos with Synology Moments, a modern, AI-enabled photo management application that allows you to preserve your precious memories effortlessly.

Stream content to your TV
Turn your Synology NAS into a home media hub and stream your digital contents to your favorite devices such as computers, mobile devices, Samsung TV, Apple TV, Google Chromecast, and DLNA devices.

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

Cross-platform file syncing and sharing
Synology Drive allows you to sync files across Windows, macOS, Linux, and mobile devices, keeping everything up-to-date.

- Sync files on demand: Save the storage space and network bandwidth of your PC.
- Go back in time: Easily retrieve previous versions of your shared files.
- Back up your data: Protect your files as scheduled or in real-time.

Reliable and efficient backup options
Synology Hyper Backup is a reliable and multi-directional backup solution offering data deduplication and compression. You can back up from various source folders, including external USB drives, another Synology NAS, rsync servers, or from public cloud services like Google Drive or Synology C2, and protect your data against malicious attacks and encryption-based ransomware threats.

General

Brand:	Synology
Series:	DiskStation
Release date:	2020
Package Dimensions:	287 x 235 x 248mm (L x W x H)
Categories:	Computers > Accessories Computers > Networking > Network Storage
LSN:	XLK-6VQ-SE2-2
Barcode:	0846504003723
Colour:	Black
Model Number:	DS420j
Type:	NAS

Warranty

Warranty:	2 Year Limited
Warranty Type:	Carry-in

CPU

CPU (Combined) Cores:	Quad-Core
CPU Speed:	1.4GHz

Memory

Memory Capacity:

1GB

Cooling System

Cooling Type:	Active
Fan Diameter:	8
Number of Fans:	2 fan(s)

Security

Access Control List (ACL):

Yes

Power

External Power Adapter:

Yes

Power Consumption

Typical:

21.71 W

Specification

Network Protocols:

SMB1 (CIFS) • SMB2 • SMB3 • NFSv3 • NFSv4 • NFSv4.1 • NFS • iSCSI • HTTP • HTTPs • FTP • SNMP • LDAP • CalDAV

Management Features

Management Protocols:	CIFS/AFP/NFS/FTP/WebDAV
Web-Based Management:	Yes

Ethernet LAN

Ethernet LAN:	Yes
Ethernet LAN Data Rates:	1000 Mbit/s
Ethernet LAN Ports (RJ-45):	1

Networking

LAN:	1x RJ-45 1GbE LAN

Ports

USB:	2x USB3.0
USB 3.0 (3.1 Gen 1) Type-A Ports:	2

Package Contents

Cables:	AC • LAN (RJ-45)
Package Contents:	Main Unit x1 Accessory Pack x1 AC Power Adapter x1 AC Power Cord x1 RJ-45 LAN Cable x1 Quick Installation Guide x1

Operational Conditions

Storage Temperature (T-T):

-20 - 60 °C

System Requirements

Mac Operating Systems Supported:	Mac OS X 10.11 El Capitan • Mac OS X 10.12 Sierra • Mac OS X 10.13 High Sierra • Mac OS X 10.14 Mojave
Windows Operating Systems Supported:	Windows 10 • Windows 7 • Windows 8 • Windows 8.1

Certifications

Certifications:	FCC<br/>CE<br/>EAC<br/>BSMI<br/>VCCI<br/>CCC<br/>RCM
RoHS Compliance:	Yes

Physical Specification

Cable Lock Slot:	Yes
Cable Lock Slot Type:	Kensington
Item Depth (mm):	230
Item Height (mm):	184
Item Width (mm):	168
LEDs:	HDD • LAN • Power • Status
Noise Level:	20.6 dB
On/Off Switch:	Yes
Reset Button:	Yes
Weight (kg):	2.21

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