Synology DS420+ 48TB (4 x 12TB TOSH N300) 4 Bay Desktop NAS Unit

QuickFind: 1137422 Mfr part code: DS420+/48TB-N300
  • Intel Celeron J4025 2-core 2.0 GHz
  • 2 GB DDR4 onboard
  • Hot swappable
  • 2 x USB 3.0 port
  • 2 x Gigabit (RJ-45)

Product Description

Synology DS420+ 48TB (4 x 12TB TOSH N300) 4 Bay Desktop NAS Unit

High Performance NAS with SSD Cache Acceleration CapabilitySynology DiskStation DS420+ is a network-attached storage solution for smooth data sharing, video streaming, and photo indexing. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance.

Highlights Accelerated Application PerformanceAverage 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time Reach Optimal Performance and Capacity with SSD CacheBuilt-in M.2 2280 NVMe SSD slots permit cache acceleration without occupying storage drive bays Effortless Data Sharing & SynchronizationAccess, share, and sync your data easily across different operating systems and devices Protect and Restore Data in a Snap Back up critical data and reduce your Recovery Time Objective (RTO) with Snapshot Replication Entertaining Multimedia HubOrganize and stream music, video, and photo collections across all your devices Anytime, AnywhereFreely access files on the go and back up mobile photos with iOS and Android™ apps

Streamline Your Data Management Experience DS420+ is a powerful 4-bay desktop NAS that brings you a fast and smooth data management experience, as well as over 226 MB/ssequential read and 225 MB/ssequential write1 throughput. It benefits computing-intensive applications, speeding up Synology Driveand Moments2 by an average 15%, and boosting Web PHPresponse efficiency by about 95% compared to its predecessor, for simple and efficient data management.DS420+ comes with two built-in M.2 SSD slots that support Synology SSD Cache technology, allowing you to reduce random I/O response time 20 times compared with spinning drives without occupying front drive bays.

Establish a Strong Storage Foundation with Btrfs DS420+ features a Btrfs file system optimized by Synology to offer you high reliability and high performance. Btrfs supports advanced storage technologies that meet the needs of modern business: Advanced snapshot technology provides schedulable and near-instantaneous data protection of shared folders and LUNs. File and folder level data restoration offers users who wish to restore only a specific file or folder more flexibility. Flexible Shared Folders and User Quota System provide comprehensive quota control on all user accounts and shared folders. File self-healing allows Btrfs file systems to auto-detect corrupted files using mirrored metadata and to recover broken data using RAID configurations. Inline compression compresses data before writing them to the drive, to optimize storage use and reduce write commands to the drives

Powerful Backup Tools DS420+ offers users a range of backup solutions for cloud and physical, on-premises environments. Backing up and restoring data is effortless - and completely free of licenses on compatible NAS models. Back up your cloud data: Cloud Sync enables users to seamlessly back up or synchronize data between a local Synology NAS and other cloud services. Back up your PCs and servers: Synology Drive Client backs up your Windows®, Mac®, and Linux® desktop devices to safeguard important computer files. Back up your Synology NAS: Hyper Backup offers a wide range of destinations for backups of your NAS, including on-premises and cloud.

Your Personal Multimedia Library DS420+ helps you easily manage multimedia content and share it across Windows®, macOS®, and Linux® platforms. Video Station helps you organize your personal digital video library using different data and criteria. Streaming videos to Apple TV, Android TV, Samsung TV, Chromecast and mobile apps is a breeze, and a wide range of digital devices are supported. Audio Station provides music playback via AirPlay® devices, and comes with lossless audio format support and Internet radio. Using the Alexa Audio Station feature, you can call out your music to your Voice Assistant. Moments' and Photo Station's intuitive design fit both home users and professional photographers. Auto-created albums help you manage your images in seconds. You can also share photographs with local users or the public while regulating security using fine permission settings.

Multimedia Anytime, Everywhere
Synology's mobile apps let you enjoy your multimedia library anytime, anywhere. Available on iOS and Android™ platforms, DS photo, DS audio, DS video, and DS file let you access your Synology NAS through Photo Station, Audio Station, Video Station, and File Station, respectively. With Synology QuickConnect, you can connect to your Synology NAS using a secure and customizable address for instant access to media and work files on Windows®, Mac®, Linux®, and mobile devices

Cool & Quiet Design for Energy Efficiency Synology DS420+ is designed with energy efficiency in mind. Compared with its average PC counterpart, Synology DS420+ consumes less power, at 28.30 watts while accessingand 8.45 watts when hard drive hibernation is enabled. The power scheduling feature further reduces power consumption and operating cos

Technical Specification

Synology DS420+ 48TB (4 x 12TB TOSH N300) 4 Bay Desktop NAS Unit

Processor / Memory

Number of Cores Dual-Core
Processors Installed 1 x Intel Celeron J4025 2 GHz
Max Supported Qty 1
Max Turbo Speed 2.9 GHz
RAM 2 GB (installed) / 6 GB (supported) - DDR4


Device Type NAS server
Host Connectivity Gigabit Ethernet
Total Storage Capacity 48 TB
Max Supported Capacity 64 TB
Installed Devices / Modules Qty 4 (installed) / 4 (max)
Width 19.9 cm
Depth 22.3 cm
Height 16.6 cm
Weight )

Storage Controller


Hard Drive

Type HDD
Capacity 4 x 12 TB


Data Link Protocol 10Mb LAN, 100Mb LAN, GigE
Network / Transport Protocol PPTP, L2TP, IPSec, SMTP, FTP, POP3, IMAP, SMB, NFS, HTTP, HTTPs
Remote Management Protocol SNMP, Telnet, HTTP, HTTPS, SSH, LDAP
Network Services Compatibility Microsoft CIFS, Network File System (NFS), FTP, Apple File Protocol (AFP), HTTPS, Web-based Distributed Authoring and Versioning (WebDAV), Calendaring Extensions to WebDAV (CalDAV)
Features Wake on LAN (WOL), High Availability, download client, Access Control List (ACL) support, RADIUS support, iTunes server, e-mail server, reset button, surveillance station, DNS server, DLNA Media Server, WebDAV server, VPN Server, Dropbox support, Link Aggregation, failover protection, AES encryption, Yandex Disk support, Microsoft OneDrive support, DLNA support, hubiC support, SSD trim, Amazon S3 support, Backblaze B2 support, MegaDisk support
Encryption Algorithm AES-NI

Expansion / Connectivity

Expansion Bays 4 (total) / 0 (free) x hot-swap - 2.5" / 3.5"
Expansion Slots 2 (total) / 2 (free) x M.2 2280
Interfaces 2 x USB 3.0 - Type A ¦ 2 x Ethernet 1000Base-T - RJ-45


Cables Included 2 x network cable
Features Security lock slot (cable lock sold separately), built-in 2 cooling fans
Security Slot Type Kensington security slot
Compliant Standards VCCI, BSMI, CCC, FCC, RoHS, KC, EAC, RCM
Included Accessories Accessory pack


Power Device External power adapter
Voltage Required AC 120/230 V (50/60 Hz)
Power Consumption Operational 28.3 Watt
Power Consumption Stand by 8.45 Watt
Power Provided 90 Watt

Software / System Requirements

Software Included McAfee
OS Required Apple MacOS, Linux, Microsoft Windows, Android, Apple iOS

Manufacturer Warranty

Service & Support Limited warranty - 3 years

Environmental Parameters

Min Operating Temperature 0 °C
Max Operating Temperature 40 °C
Humidity Range Operating 5 - 95%
Sound Emission 19.8 dBA

Product Reviews

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Synology DS420+ 48TB (4 x 12TB TOSH N300) 4 Bay Desktop NAS Unit

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Product Discussion

Synology DS420+ 48TB (4 x 12TB TOSH N300) 4 Bay Desktop NAS Unit

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