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Synology RackStation RS422+
Compact and versatile storage for home and office

Synology Products
Synology RackStation
Synology RackStation RS422+ 4 Bay NAS
List Price: $1,535.00
Our Price: Request a Quote

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Please Note: All Prices are Inclusive of GST


Synology RackStation RS422+ is a 4-bay rackmount NAS enclosed in a compact 1U chassis. Powered by the powerful Synology DiskStation Manager (DSM) operating system, it offers an affordable all-in-one solution for data sharing, synchronization, and backup to small businesses and home lab owners looking to meet their daily data management needs.

  • Dependable Performance
    Over 601/516 MB/s sequential read/write throughput supports stable data transfers
  • Compact Deployment
    Space-saving design with a depth of just 327.5 mm when server handles are installed
  • Redundant Connectivity
    Dual 1GbE ports support network failover and load balancing
  • Easy Network Upgrade
    Plug-and-play network upgrade modules make it easy to add 10GbE RJ-45 ports


601/516 MB/s sequential read/write throughput

Form Factor

Depth of just 327.5 mm with handles


Built-in dual 1GbE ports with easy 10GbE option

File Integrity

ECC memory helps prevent data corruption


Space-saving design for flexible deployment

Thanks to its compact 1U chassis, the RS422+ fits perfectly in a 2-post or wall mount rack. Deploy it in space-limited environments or anywhere else without investing in costly railkits or other server equipment.

Flexible networking options

Leverage built-in connectivity to integrate the RS422+ into any IT environment, or expand its capabilities by adding plug-and-play modules.

Built-in connectivity
Dual Gigabit ports with support for network failover and load balancing deliver fast and dependable performance out of the box.

Easy upgrade to 10GbE
Add an E10G22-T1-Mini Network Upgrade Module through the easily accessible slot to instantly enable faster networking.

Edge storage for distributed teams

Provide secure and convenient cross-platform file access, sharing, and synchronization across multiplelocations.

Private file cloud

Enable effective collaboration with Synology Drive
Synology Drive provides remote data access, synchronization, on-demand file restoration, and backup via handy desktop and mobile applications.

Multi-platform support
Access personal and shared data from mobile app, desktop client, web browser, or another Synology system: Any changes you make are automatically synced to other devices as soon as they are connected.

Collaborate in real time
Integrate with Synology Office to enable concurrent editing on documents, spreadsheets, and slides, with support for conversion to and from Microsoft Word, Excel, PowerPoint, and OpenDocument files.

Efficent multi-site synchronization

Connect teams with Hybrid Share
Utilize Hybrid Share to store large sets of data in the cloud, leveraging the powerful bandwidth of our data centers to stream requested files to local NAS deployed at the branch offices.

Data on-demand
With Hybrid Share-enabled folders, remote teams retain full access to the most up-to-date files while benefiting from reduced local storage footprint and bandwidth usage.

Cache data used locally
Frequently-accessed files are kept on the local NAS, allowing users to access them at LAN speeds. Files and folders can also be pinned manually to prevent them from being replaced when the cache is full.

Multi-endpoint data protection

Design an effective backup strategy to maximize system availability with a host of native and license-free solutions.

Consolidated backup server

Endpoint, VM, and NAS/SAN protection
Securely back up Windows and Linux endpoints, Synology servers, and VMware and Hyper-V virtual machines with Active Backup for Business.

Microsoft 365 and Google Workspace
Centralize backups of Microsoft 365 and Google Workspace data to protect it from accidents and simplify compliance with data retention policies. Schedulable backups, flexible file versioning, and block-level deduplication ensure flexibility and savings in terms of storage and bandwidth consumption.

Data protection and recovery

Hyper Backup
Back up files, LUNs, installed applications, and system configurations to destinations including Synology C2 Storage,2 public cloud platforms, USB devices, file servers, local folders, or other Synology systems. Set and forget backup tasks with regular schedules, enhance security with granular user permissions and encryption, keep backup sizes small with built-in deduplication, and restore data flexibly with multi-versioning.

Snapshot Replication
Snapshot Replication enables configurable point-in-time snapshots of shared folders and VM storage with an RPO as low as 5 minutes and recovery within seconds.

Smart surveillance for small deployments

Leverage flexible deployment options, intuitive management capabilities, and advanced video analytics to secure your premises.

Simple-to-deploy local surveillance

Wide compatibility
Connect up to 40 IP cameras from a selection of over 8,300 validated models thanks to Synology Surveillance Station's wide camera compatibility.

Multi-platform convenience
Monitor live streams or watch recordings from web browser, desktop client, or the DS cam mobile app.

Secure and private
Footage is stored locally for easier compliance with data protection regulations and further protected from unauthorised access with industry-standard AES-256 encryption.

Flexible monitoring of multiple locations

Assisted mass deployment
Automatically locate new cameras within a set IP range, and configure units in batch via spreadsheet import or replicating settings to new cameras.

Centralized management and monitoring
Stay on top of your deployment by previewing triggered events directly on multi-floor or multi-location maps, with online map integration for Google Maps and OpenStreetMap.

Video analytics
Take advantage of intelligent monitoring features such as motion detection, no idle zone, foreign object detection, and anomaly detection to cater the most common surveillance scenarios.

Powered by Synology DiskStation Manager

Take advantage of a whole host of native productivity, management, and security solutions available on the web-based DSM operating system.

File Management

Manage, sync, and share files from multiple devices through a centralized platform.


Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.

System Administration

Manage the health of your deployments and centrally administer updates with ease.

User Management

Manage user accounts and devices throughout your business with powerful directory services.

Central Management System

Conveniently manage your fleet of Synology NAS from a centralized console.

Synology High Availability

Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.

Protect better with Extended Warranty Plus

Extend the standard 3-year hardware warranty6 of your RS422+ with 2 extra years of Synology-certified support and premium services that help you recover quickly in the event of disaster.


Front View

Rear View

  1. Power Indicator
  2. Power Button
  3. Alert Indicator
  4. Drive status indicator
  5. Mute Button
  6. Status Indicator
  7. Drive Tray Locks
  8. Drive tray
  9. Fans
  10. Power Port
  11. 1GbE RJ-45 Ports
  12. Console Port
  13. USB 3.2 Gen 1 Port
  14. Reset Button
  15. Network Upgrade Slot
RS422+ Hardware Specifications:
Hardware Specifications
CPU AMD Ryzen R1600 dual-core (4-threads) 2.6 GHz, max boost clock up to 3.1 GHz
Hardware encryption engine Yes (AES-NI)
Memory 2 GB DDR4 ECC
Compatible drive type
  • 4 x 3.5" SATA HDD or 2.5" SATA SSD (drives not included)
  • Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list
Hot swappable drive Yes
External port 1 x USB 3.2 Gen 1 port
Form factor Rackmount 2U
Size (Height x Width x Depth)
  • 44 x 430.5 x 295.5 mm
  • 44 x 478 x 327.5 mm (with server handles)
Weight 4.38 kg
LAN port 2 x 1GbE RJ-45
Wake on LAN/WAN Yes
PCIe Expansion Supports E10G22-T1-Mini 10GbE RJ-45 Network Upgrade Module
Scheduled power on/of Yes
System fans 3 x (40 x 40 x 20 mm)
AC input power voltage 100 V to 240 V AC
Power Frequency 50/60 Hz, single phase
Operating Temperature
  • Temperature: 0°C to 35°C (32°F to 95°F)
  • Relative humidity: 8% to 80% RH
Storage Temperature
  • 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 specification
Networking protocol SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP)
File system
  • Internal: Btrfs, ext4
  • External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT
Supported RAID type Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Storage management
  • Maximum single volume size: 108TB
  • Maximum system snapshots: 65,536
  • Maximum internal volume: 64
SSD cache
  • Read/write cache support
  • 2.5" SATA SSD support
File sharing capability
  • Maximum local user account: 2,048
  • Maximum local group: 256
  • Maximum shared folder: 512
  • Maximum concurrent SMB/NFS/AFP/FTP connections: 500
Privilege Windows Access Control List (ACL), application privileges
Directory service Connects with Windows AD/LDAP servers enabling domain users to login via SMB/NFS/AFP/FTP/File Station using their existing credentials
Security Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, and HTTPS (customizable cipher suite)
Supported browser Google Chrome, Firefox, Microsoft Edge, Safari 13 and later, and Safari (iOS 13.0 and later) on iPad, Chrome (Android 11.0 and later) on tablets
File Server & Synchronization
Cloud Sync Offers one or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, Backblaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, Tencent COS, WebDAV servers and Yandex Disk
Drive Synchronizes files across Windows, macOS, Linux, Android and iOS. The built-in cross-platform portal allows access to data anytime and anywhere
  • Maximum number of hosted files: 500,000
  • Maximum number of concurrent connections for PC clients: 350
File Station Provides virtual drives, remote folders, Windows ACL editor, compression/extraction of archived files, bandwidth control for specific users/groups, creation of sharing links, and transfer logs
FTP Server Supports bandwidth control for TCP connections, custom FTP passive port ranges, anonymous FTP, FTP over TLS/SSL and SFTP protocols, network booting with TFTP and PXE support, and transfer logs.
Presto File Server Enables high-speed data transfer over WAN between Synology NAS and desktop platforms through the exclusive SITA technology
Universal Search Search through files, metadata, and more on your NAS. Integration with Windows Search and macOS Spotlight makes it easy to find files
Migration Assistant Migrates data, system setting, and applications seamlessly from one Synology NAS to another to ensure maximum service availability
SAN Storage & Virtualization
SAN Manager
  • Maximum number of iSCSI targets: 128
  • Maximum number of LUNs: 256
  • LUN clone/snapshot support
Data Protection & Backup Solution
Active Backup for Business An all-in-one backup solution designed for heterogeneous business IT environments. It enables IT admins to remotely manage and protect PCs, servers, and VMs from one centralized console
Active Backup for Google Workspace Supports backup and restoration of Google Workspace My Drive, Team Drive, Gmail, Contacts, and Calendar
Active Backup for Microsoft 365 Supports backup and restoration of Microsoft 365 OneDrive for Business, Outlook, Contacts, and Calendar
Backup tools
  • DSM configuration backup, macOS Time Machine support, Synology Drive Client desktop application
  • Shared folder sync supports a maximum of 8 tasks
Hyper Backup Supports local backup, network backup, and data backup to other devices, Synology NAS, and public clouds including C2 Storage
Snapshot Replication
  • Maximum of shared folder snapshots: 1,024
  • Maximum of replication: 32
Synology High Availability Reduces service downtime by combining two identical NAS into a high-availability cluster
Productivity & Collaboration
Collaboration tools Collaborate with instant messaging service Synology Chat, online documents editor Synology Office, and scheduling assistant Synology Calendar
  • Chat maximum user: 100
  • Office maximum user: 200
  • Calendar: support CalDAV and access via mobile devices
Note Station A note taking platform that supports rich text, note organization and versioning, encryption, sharing, media embedding, and attachments
Surveillance Station Maximum IP cameras: 40, for a total of 1,200 FPS at 720p (H.264).
All-in-One Servers
Central Management System Provides a single interface to manage and monitor multiple Synology NAS models
Synology Directory Server Provide a flexible and cost-effective domain controller solution
VPN Server
  • Maximum connections: 40
  • Supported VPN protocols: PPTP, OpenVPN, L2TP/IPSec
Active Insight Monitor health statistics, login activity, and backup statuses for your Synology servers worldwide, and receive notifications and advice from our centralized cloud-hosted management platform
Storage Analyzer Displays 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, and least recently accessed files.
Antivirus Essential Provides full system scans, scheduled scans, white list customization, and auto-update of virus definitions.
Web Station Enables hosting for up to 30 websites with support for PHP/MariaDB and 3rd-party applications.
Other packages DNS Server, RADIUS Server, and Log Center
iOS/Android applications Synology Drive, Synology MailPlus, Synology Secure SignIn, Synology Chat, Synology LiveCam, Synology Photos, Synology Active Insight, DS audio, DS photo, DS video, DS cam, DS file, DS finder, and DS note
Other packages Additional 3rd-party packages are available in the Package Center
Environment and Packaging
Environment safety RoHS compliant
Package content
  • 1 x RS422+ main unit
  • 1 x Quick Installation Guide
  • 1 x Accessory pack
  • 1 x AC power cord
Optional accessories
  • 3.5" SATA HDD: HAT5300 Series
  • 2.5" SATA SSD: SAT5200 Series
  • 10GbE Network Upgrade Module: E10G22-T1-Mini
  • Surveillance Device License Pack
  • Synology Rail Kit: RKS-02, RKM114
  • Extended Warranty: EW201, Extended Warranty Plus
Warranty 3 Years


Download the Synology RackStation RS422+ Datasheet  (PDF).

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Pricing Notes:

Synology Products
Synology RackStation
Synology RackStation RS422+ 4 Bay NAS
List Price: $1,535.00
Our Price: Request a Quote