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Protection

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Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

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TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Malfunction Protection

Malfunction Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.

Synology DiskStation DS420J Specifications

Hardware: CPU

Hardware: CPU

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  • CPU Model

    Realtek RTD1296

  • CPU Quantity

    1

  • CPU Architecture

    64-bit

  • CPU Frequency

    4-core 1.4 GHz

  • Hardware Encryption Engine

    Yes

Hardware: Memory

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  • System Memory

    1 GB DDR4 non-ECC

Hardware: Storage

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  • Drive Bays

    4

  • Compatible Drive Type

    3.5" SATA HDD
    2.5" SATA HDD
    2.5" SATA SSD

  • Hot Swappable Drive

    None

Hardware: External Ports

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  • RJ-45 1GbE LAN Port

    1

  • USB 3.2 Gen 1 Port

    2

Hardware: File System

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  • Internal Drives

    EXT4

  • External Drives

    EXT4
    EXT3
    FAT
    NTFS
    HFS+
    exFAT

Hardware: Others

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  • System Fan

    3.14 x 3.14" (80 x 80mm) (Two Fans)

  • Fan Speed Mode

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

  • Power Recovery

    Yes

  • Noise Level

    20.6 dB(A)

  • Scheduled Power On / Off

    Yes

  • Wake on LAN / WAN

    Yes

  • Power Supply Unit / Adapter

    90 W

  • AC Input Power Voltage

    100V to 240V AC

  • Power Frequency

    50/60 Hz, Single Phase

  • Power Consumption

    21.71 W (Access)
    7.88 W (HDD Hibernation)

  • British Thermal Unit

    74.08 BTU/hr (Access)
    26.89 BTU/hr (HDD Hibernation)

Hardware: Temperature

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  • Operating Temperature

    32 Degree F to 104 Degree F (0 Degree C to 40 Degree C)

  • Storage Temperature

    -5 Degree F to 140 Degree F (-20 Degree C to 60 Degree C)

  • Relative Humidity

    5% to 95% RH

Hardware: Certification

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  • Certification

    EAC
    CCC
    FCC
    CE
    BSMI
    VCCI
    RCM

Hardware: Environment

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  • Environment

    RoHS Compliant

Hardware: Physical

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  • Dimensions (H x W x D)

    7.24 x 6.61 x 9" (184 x 168 x 230mm)

  • Weight

    4.8 lbs (2.21kg)

Software: Storage Management

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  • Maximum Single Volume Size

    108 TB

  • Maximum Internal Volume Number

    64

  • SSD TRIM

    Yes

  • Synology RAID Type

    Synology Hybrid RAID
    Basic
    JBOD
    RAID 0
    RAID 1
    RAID 5
    RAID 6
    RAID 10

  • RAID Migration

    Basic to RAID 1
    Basic to RAID 5
    RAID 1 to RAID 5
    RAID 5 to RAID 6

  • Volume Expansion with Larger HDDs

    Synology Hybrid RAID
    RAID 1
    RAID 5
    RAID 6
    RAID 10

  • Volume Expansion by Adding a HDD

    Synology Hybrid RAID
    JBOD
    RAID 5

  • Global Hot Spare Supported RAID Type

    Synology Hybrid RAID
    RAID 1
    RAID 5

Software: File Services

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  • File Protocol

    SMB/AFP/NFS/FTP/WebDAV

  • Maximum Concurrent

    100 (SMB/AFP/FTP Connections)

  • Windows ACL Integration

    Yes (Access Control List)

  • NFS Kerberos Authentication

    Yes

Software: Account & Shared Folder

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  • Maximum Local User Accounts

    1024

  • Maximum Local Groups

    256

  • Maximum Shared Folder

    256

  • Maximum Shared Folder Sync Tasks

    4

Software: Log Center

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  • Syslog Events per Second

    200

Software: General DSM Specifications

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  • Networking Protocols

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

  • Supported Browsers

    Google Chrome
    Firefox
    Microsoft Edge
    Safari

  • Supported Language

    English, Deutsch, Francais, Italiano, Espanol, Dansk, Norsk, Svenska, Nederlands, Russian, Polski, Magyar, Portugues do Brasil, Portugues Europeu, Turkce, Cesky, Thai, Japanese, Korean, Traditional Chinese, Simplified Chinese

Software: Synology Chat

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  • Maximum Users

    10

Software: Download Station

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  • Maximum Concurrent Download Tasks

    80

Software: SAN Manager

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  • Maximum iSCSI Target Number

    10

  • Maximum LUN

    10

Software: Media Server

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  • DLNA Compliance

    Yes

Software: Synology Photos

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  • Facial Recognition

    Yes

Software: Surveillance Station

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  • Maximum IP cam

    16 (including 2 Free License)

  • Total FPS (H.264)

    480 FPS @ 720p (1280x720)
    288 FPS @ 1080p (1920x1080)
    150 FPS @ 3M (2048x1536)
    100 FPS @ 5M (2591x1944)
    70 FPS @ 4K (3840x2160)

  • Total FPS (H.265)

    480 FPS @ 720p (1280x720)
    384 FPS @ 1080p (1920x1080)
    256 FPS @ 3M (2048x1536)
    160 FPS @ 5M (2591x1944)
    100 FPS @ 4K (3840x2160)

  • Total FPS (MJPEG)

    240 FPS @ 720p (1280x720)
    150 FPS @ 1080p (1920x1080)
    100 FPS @ 3M (2048x1536)
    60 FPS @ 5M (2591x1944)

Software: Synology Drive

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  • Recommended Number of Sync Clients

    200 (the number of connections that can be maintained when the recommended number of hosted files was reached)

  • Recommended Number of Hosted Files

    500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)

Software: Synology Office

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  • Maximum Users

    200

Software: Video Station

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  • Video Transcoding

    Group 2

Software: VPN Server

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  • Maximum Connections

    10

About Synology DiskStation DS420J

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

CPU
64-bit 4-core 1.4 GHz

Performance
Over 112 MB/s encrypted reading and writing

Storage
Maximum 64 TB raw capacity

Energy-saving
7.88 W in hibernation mode

Manage your photo collections
Manage your photos efficiently with automated tools to group, filter, organize, and share. All while keeping your memories safe and secure.

Stream content to your TV
Turn your Synology NAS into a home media hub and stream your digital contents to 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.

Access and sync your files seamlessly
Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS.

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 with scheduled backups 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 data from various source folders, including external USB drives, another Synology NAS, rsync servers, or public cloud services like Google Drive or Synology C2, and protect your data against malicious attacks and encryption-based ransomware threats.

Powered by Synology DiskStation Manager

Multimedia
Complete multimedia solution for management, streaming, and playback.

File Server/Management
Powerful built-in file management and sharing services.

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

Desktop Backup
Simplified backup solution for your Mac, PC, and mobile devices.

Synology Drive
Instantly access your NAS files across multiple devices whenever you want, wherever you are.

Surveillance
Protect your home or business with intelligent monitoring and video management tools.

Synology DiskStation DS420J Features

  • 4-bay home NAS with over 60 TB raw capacity support, suitable for data backup and file sharing
  • 64-bit 4-core 1.4 GHz processor and 1 GB DDR4 memory
  • Over 112 MB/s encrypted sequential reading and writing throughput
  • Easy-to-deploy surveillance solution that supports up to 16 IP cameras
  • Energy-saving design with only 7.88 W consumed in hibernation mode

Key Features

  • 4-bay home NAS with over 60 TB raw capacity support, suitable for data backup and file sharing
  • 64-bit 4-core 1.4 GHz processor and 1 GB DDR4 memory
  • Over 112 MB/s encrypted sequential reading and writing throughput
  • Easy-to-deploy surveillance solution that supports up to 16 IP cameras
  • Energy-saving design with only 7.88 W consumed in hibernation mode

What's in the box:

  • Synology DiskStation DS420J 4-Bay NAS Enclosure
  • AC Power Adapter
  • AC Power Cord
  • RJ-45 LAN Cable
  • Accessory
  • Quick Start Guide
  • Synology 2 Year Limited Warranty