DS420J

DS420J SYNOLOGY | Alldatasheet

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Technical content

Affordable Data Management Solution For Your Home DS420j is a 4-bay desktop NAS designed for home users' data backup and file sharing. It supports various networking protocols, multiple RAID configurations and diverse add-on packages, effortlessly enabling cross-platform file synchronization and sharing on a private cloud. DS420j is backed by Synology’s 2-year limited warranty.2 DiskStation DS420j Highlights

• 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 throughput1
• Easy-to-deploy surveillance solution that supports up to 16 IP cameras
• Energy-saving design with only 7.88 W consumed in hibernation mode
• Backed by Synology 2-year limited warranty2 DATASHEET | DiskStation DS420j

DATASHEET | DiskStation DS420j Reliable 4-Bay Home NAS for Data Backup Equipped with a 64-bit 4-core 1.4 GHz processor and 1 GB DDR4 memory, DS420j delivers encrypted sequential throughput at over 112 MB/s in reading and writing.1 It supports up to 64 TB raw capacity with 4 drive trays. Powered by Synology DiskStation Manager (DSM), DS420j offers various applications to optimize data backup and file sharing for home use, and is highly reliable to store and centralize your media files. Intelligent Photo Library Centralize your photos and videos in one private, organized place with Synology Moments and enjoy a modern browsing experience with image recognition techniques.

• Safely store your memorable moments on DS420j
• Group photos by topics based on deep learning algorithm
• Effortlessly find desired photos and share with friends and family
• Optimized browsing experience with super resolution
• Back up photos and free up storage space of mobile devices Effective Sync and Backup Solution DS420j can serve as a centralized backup destination, making it easy to create your own private cloud. Synology Cloud Sync keeps your Dropbox, Google Drive, Microsoft OneDrive, Baidu, and Box storage accounts in sync with DS420j at home. Synology Drive allows you to sync files across Windows, macOS, Linux, and mobile devices, effortlessly keeping everything up-to-date. Synology Hyper Backup provides multi- version backup with block-level incremental backup and cross-version deduplication. It has optimized storage utilization and allows data backup to multiple destinations, including local shared folders, external hard drives, network shared folders, rsync servers, and public cloud services. Feature-rich Syncing & Sharing Suite With Synology Drive, DS420j can serve as a centralized file server, allowing files to be synced and accessed across platforms while enabling easy file sharing and management.

DATASHEET | DiskStation DS420j 24/7 Security Solution Featuring user-friendly video management tools and an intuitive desktop-like interface, Synology Surveillance Station is a reliable private-security solution that can support multiple IP cameras connected to DS420j. Surveillance Station features optimized live view together with streamlined real-time monitoring. Its powerful analytics, such as motion detection and alert notification, allows you to stay informed of any suspicious activity with triggers sent via SMS, e-mail, and DS cam on mobile devices. Energy Efficient with Green Design DS420j is designed with energy efficiency in mind. Compared with its average PC counterpart, DS420j consumes relatively little power at 21.71 watts while accessing and 7.88 watts when hard drive hibernation is enabled. The power scheduling feature further reduces power consumption and operating costs. Available Anytime and Anywhere Synology provides mobile applications for you to enjoy your multimedia library anytime and anywhere. Available on iOS and Android™ platforms, DS photo, DS audio, DS video, and DS file allow access to your Synology NAS respectively through Photo Station, Audio Station, Video Station, and File Station. QuickConnect allows connection to your Synology NAS via a secure and customizable address, so that you can instantly access media and work files on any Windows, Mac, Linux computers, and mobile devices. Anytime Availability Access your DS420j anywhere using Synology mobile apps. Surveillance Station Monitor anytime, anywhere using a web browser, desktop client, or mobile device. Surveillance Station works perfectly with Windows, Mac, iOS, and Android.

DATASHEET | DiskStation DS420j

1 Status indicator 2 LAN indicator 3 Power button and indicator 4 Drive status indicator

5 1GbE RJ-45 port 6 Power port 7 Kensington Security Slot 8 Fan 9 USB 3.0 port 10 Reset button Front Rear Technical Specifications Hardware CPU Realtek RTD1296 4-core 1.4 GHz Memory 1 GB DDR4 Compatible drive type 4 x 3.5" or 2.5" SATA HDD/SSD (drives not included) External port 2 x USB 3.0 port Size (HxWxD) 184 x 168 x 230 mm Weight 2.21 kg LAN 1 x Gigabit (RJ-45) Wake on LAN/WAN Yes Scheduled power on/off Yes System fan 2 (80 x 80 mm) AC input power voltage 100 V to 240 V AC Power frequency 50/60 Hz, single phase 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 Maximum operating altitude 5,000 m (16,400 ft) General DSM Specifications Networking protocol SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP) File system • Internal: ext4

• External: ext4, ext3, FAT, NTFS, HFS+, exFAT3 Supported RAID type Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 Hardware Overview

DATASHEET | DiskStation DS420j Storage management • Maximum single volume size: 108TB

• Maximum internal volume: 64 File sharing capability
• Maximum local user account: 1,024
• Maximum local group: 256
• Maximum shared folder: 256
• Maximum concurrent SMB/NFS/AFP/FTP connection: 100 Privilege Windows Access Control List (ACL), application privilege Directory service Windows® AD integration: Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration Security Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable cipher suite) Supported client Windows 7 onwards, Mac OS X® 10.11 onwards Supported browser Chrome®, Firefox®, Edge®, Internet Explorer® 10 onwards, Safari® 10 onwards; Safari (iOS 10 onwards), Chrome (Android™ 6.0 onwards) on tablets Interface language Packages and Applications File Server & Synchronization Synology Drive Provides a universal portal to synchronize files across various platforms, including Windows, macOS, Linux, Android and iOS
• Maximum number of hosted files: 100,000
• Maximum number of concurrent connections for PC clients: 200 File Station Virtual drive, remote folder, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users or groups, creating sharing links, transfer logs FTP Server Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocol, boot over the network with TFTP and PXE support, transfer logs Cloud Sync One or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, Amazon Drive, Amazon S3-compatible storage, Backblaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, Tencent COS, WebDAV servers, Yandex Disk Universal Search Offers global searches into applications and files iSCSI Storage iSCSI Manager • Maximum iSCSI target: 10
• Maximum iSCSI LUN: 10 Data Protection & Backup Solution Hyper Backup Supports local backup, network backup, and backup data to public clouds Backup tools DSM configuration backup, macOS Time Machine support, Synology Drive Client desktop application
• Shared folder sync - maximum task number: 4 Productivity & Collaboration Collaboration tools Supports collaboration with instant message service Synology Chat, online editor Synology Office, and scheduling assistant Synology Calendar
• Chat maximum user: 10
• Office maximum user: 200
• Calendar: support CalDAV and access via mobile devices Note Station Rich-text note organization and versioning, encryption, sharing, media embedding and attachments Multimedia Moments Supports smart AI album with facial and subject recognition, similar photo detection, and photo editing and sharing features. Mobile applications are available on iOS and Android devices. Other packages Video Station, Photo Station, Audio Station, iTunes® Server Surveillance Surveillance Station Maximum IP camera: 16 (total of 480 FPS at 720p, H.264) (Including two free camera licenses; additional cameras require the purchasing of additional licenses) All-in-One Server VPN Server Maximum connection: 10, supported VPN protocol: PPTP, OpenVPN™, L2TP/IPSec English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český,

DATASHEET | DiskStation DS420j Mail Server Supported Mail Server Protocols: POP3, SMTP, IMAP, Support LDAP/AD account Mail Station Webmail interface for Mail Server to receive emails from multiple POP3 mailboxes, customizable SMTP server Web Station Virtual host (up to 30 websites), PHP/MariaDB®, third-party applications support Other packages DNS Server, RADIUS Server, Log Center Others Storage Analyzer Volume and quota usage, total size of files, volume usage and trends based on past usage, size of shared folders, large files, most recently modified files, least recently accessed files Antivirus Essential Full system scan, scheduled scan, white list customization, virus definition auto update iOS/Android™ applications Synology Drive, DS audio, DS photo, DS video, DS cam, DS file, DS finder, DS note, Moments Other packages Additional 3rd-party packages available in Package Center Environment and Packaging Environment safety RoHS compliant Package content

• DS420j main unit
• Quick Installation Guide
• Accessory pack
• AC power adapter and power cord
• RJ-45 LAN cable Optional accessories • VisualStation VS360HD, VS960HD
• Surveillance Device License Pack Warranty 2 years2 *Model specifications are subject to change without notice. Please refer to www.synology.com for the latest information. 1. Performance figures may vary depending on the environment, usage, and configuration. 2. The warranty period starts from the purchase date as stated on your purchase receipt. Visit https://www.synology.com/company/legal/warranty for more information. 3. exFAT Access is sold separately in Package Center. Headquarters SYNOLOGY INC. Synology creates network-attached storage, IP surveillance solutions, and network equipment that transform the way users manage data, conduct surveillance, and manage networks in the cloud era. By taking full advantage of the latest technologies, Synology aims to help users centralize data storage and backup, share files on-the-go, implement professional surveillance solutions, and manage networks in reliable and affordable ways. Synology is committed to delivering products with forward-thinking features and the best in class customer services. Copyright © 2019, Synology Inc. All rights reserved. Synology, the Synology logo are trademarks or registered trademarks of Synology Inc. Other product and company names mentioned herein may be trademarks of their respective companies. Synology may make changes to specification and product descriptions at anytime, without notice. DS420j-2019-ENU-REV001 China Synology Shanghai 200070, Room 201, No. 511 Tianmu W. Rd., Jingan Dist. Shanghai, China United Kingdom Synology UK Ltd. Unit 5 Danbury Court, Linford Wood, Milton Keynes, MK14 6PL, United Kingdom France Synology France SARL

102 Terrasse Boieldieu (TOUR W)

92800 Puteaux, France

Tel: +33 147 176288 Germany Synology GmbH Grafenberger Allee 295

40237 Düsseldorf, Deutschland

Tel: +49 211 9666 9666 North & South America Synology America Corp.

3535 Factoria Blvd SE #200 Bellevue,

WA98006, USA Tel: +1 425 818 1587 Japan Synology Japan Co., Ltd 4F, 3-1-2, Higashikanda, Chiyoda-ku, Tokyo, 101-0031, Japan