Disk Station Ds420j 4bay Nas Server Barebone

Introduction

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.

Storage

Supported storage drive interfaces

Serial ATA, Serial ATA II, Serial ATA III

Storage drive sizes supported

2.5,3.5"

Maximum supported storage capacity

64 TB

RAID support

Y

RAID levels

0,1,5,6,10,JBOD

Supported file systems

Fat, HFS+, NTFS, ext3, ext4

Storage drives installed

N

Number of storage drives supported

4

Installed storage drive type

N

Supported storage drive types

HDD & SSD

Processor

Processor family

Realtek

Processor model

RTD1296

Processor frequency

1.4 GHz

Processor cores

4

Processor operating modes

64-bit

Memory

Internal memory type

DDR4

Internal memory

1 GB

Network

Ethernet LAN

Y

Ethernet LAN data rates

1000 Mbit/s

Wi-Fi

N

iSCSI support

Y

Wake-on-LAN ready

Y

Supported network protocols

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

Ports & interfaces

USB port

Y

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity

2

Ethernet LAN (RJ-45) ports

1

Design

Chassis type

Compact

Cooling type

Active

Product colour

Black

Number of fans

2 fan(s)

Fan diameter

8 cm

LED indicators

HDD, LAN, Power, Status

Cable lock slot

Y

Cable lock slot type

Kensington

Performance

Type

NAS

Device class

Home & Home Office

Backup function

Y

Backup features

Cloud, iSCSI LUN

Multilingual support

Y

Number of users

1024 user(s)

Noise level

20.6 dB

Management protocols

CIFS/AFP/NFS/FTP/WebDAV

Web-based management

Y

Access Control List (ACL)

Y

Reset button

Y

On/off switch

Y

Built-in FTP server

Y

Browser supported

Chrome, Firefox, Edge, Internet Explorer 10+, Safari 10+

System log

Y

Software

Operating system installed

DiskStation Manager

Windows operating systems supported

Windows 10,Windows 7,Windows 8,Windows 8.1

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

Power

Power supply location

External

Power supply unit (PSU) capacity

90 W

Number of power supply units

1

Power consumption (typical)

21.71 W

Power consumption (HDD standby)

7.88 W

AC input voltage

100 - 240 V

AC input frequency

50/60 Hz

Weight & dimensions

Width

168 mm

Depth

230 mm

Height

184 mm

Weight

2.21 kg

Technical details

Sustainability certificates

RoHS

Packaging content

External power adapter

Y

Cables included

AC, LAN (RJ-45)

Quick installation guide

Y

Operational conditions

Operating temperature (T-T)

0 - 40 °C

Operating relative humidity (H-H)

5 - 95%

Storage temperature (T-T)

-20 - 60 °C

Storage relative humidity (H-H)

5 - 95%

Operating altitude

0 - 5000 m

Certificates

Certification

FCC CE EAC BSMI VCCI CCC RCM