Model: Sygnology RS422+

Compact and Versatile Storage for Streamlined Data Management

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 transfers1

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

All-In-One Storage Platform for Home and Office

RS422+ is designed to support small deployments requiring an out-of the-box data management solution.

• Over 590 MB/s sequential read and 521 MB/s sequential write performance1 support common file management, data backup, and surveillance applications
• Two built-in Gigabit Ethernet ports can be bonded with Link Aggregation to provide redundant connectivity and load balancing, while fast 10GbE RJ-45 connectivity can be added with a plug-and-play network upgrade module
• The compact chassis is designed to fit in a 2-post or wall mount rack, ensuring flexibility of deployment in space-limited environments

Optimized for Data Protection and Integrity

• Safeguard your data with the powerful storage management features of Synology DSM, built on the advanced Btrfs file system.
• Advanced snapshot technology provides schedulable and near-instantaneous data protection for shared folders and LUNs
• File and folder-level data restoration enables recovery of specific files or folders
• Configurable storage quotas simplify management of available space with the option to specify storage limits for shared folders
• File self-healing detects and recovers corrupted files using mirrored metadata and RAID configurations
• Inline compression minimizes storage consumption and extends the life of drives by compressing data before it is written to the storage pool

File Sharing and Synchronization for Hybrid Teams

The compactness and ease of installation of the RS422+ make it suitable for deployment as an edge server to provide convenient and effective file access, sharing, and synchronization across different locations.

• Wide network protocol support ensures seamless file sharing across Windows, Mac, and Linux platforms, while compatibility with Windows AD and LDAP enables easy integration into any existing network environment
• Hybrid Share combines reliable on-premises storage and efficient syncing of shared folders in the cloud to enable seamless cross-site synchronization and local file access at LAN speed2
• Synology Drive is a private cloud file management solution that enables remote data access, synchronization, on-demand file restoration, and backup via handy desktop and mobile applications
• Cloud Sync keeps your Dropbox, Google Drive, Microsoft OneDrive, Baidu, and Box storage in sync with your Synology server
• Seamless file sharing capability is combined with a high level of security, including HTTPS support, a built-in firewall, and multiple IP and account intrusion auto-blocking mechanisms

Comprehensive Data and Uptime Protection Tools

Native backup solutions help maintain high system availability and facilitate recovery in the event of a disaster or major outage.

• Active Backup Suite consolidates backup tasks and offers rapid restoration of Windows and Linux endpoints, VMs, Synology servers, and SaaS applications
• Snapshot Replication creates point-in-time copies of shared folders and LUNs to protect them from accidental modifications or ransomware incidents
• Hyper Backup protects your NAS by backing up data and configurations to multiple destinations with efficiency delivered by built-in deduplication, integrity checks, compression, and versioning
• C2 Storage for Hyper Backup offers a dedicated secure public cloud destination for Synology NAS backup data2

Private Video Surveillance Synology

Surveillance Station transforms RS422+ into a powerful Network Video Recorder with support for up to 40 IP cameras, 3 ideal for retail stores or small businesses looking to conveniently and affordably secure their premises.

• 8,300+ supported camera models
• ONVIF support prevents vendor lock-in
• Private, subscription-free storage of recordings
• Access through web browsers, desktop clients, or mobile apps
• Event-based rules to trigger specific actions
• Email, SMS, or push notification options

Technical Specifications

Hardware

• CPU: AMD Ryzen™ R1600 dual-core (4-threads) 2.6 GHz, max boost clock up to 3.1 GHz
• Hardware encryption engine: AES-NI
• Memory: 2 GB DDR4 ECC
• Compatible drive types
  • 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 list⁴
• Hot swappable drives: Yes External ports 1 x USB 3.2 Gen 1 port Form factor Rackmount 1U
• Size (HxWxD):
• 44 x 430.5 x 295.5 mm
• 44 x 478 x 327.5 mm (with server handles)
• Weight: 4.38 kg
• LAN ports: 2 x 1GbE RJ-45
• Wake on LAN/WAN: Yes
• Network expansion: Supports E10G22-T1-Mini 10GbE RJ-45 Network Upgrade Module
• Scheduled power on/off: 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 environment:
  • Temperature: 0°C to 35°C (32°F to 95°F)
  • Relative humidity: 8% to 80% RH Storage environment
  • 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 protocols: SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP, OpenVPN™, L2TP)
• File systems:
• Internal: Btrfs, ext4
• External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT
• Supported RAID types: Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10
• Storage management:
• Max. single volume size: 108 TB
• Max. number of system snapshots: 65,5365
• Max. number of internal volumes: 64
• SSD cache:
• Read/write cache support
• 2.5" SATA SSD support
• File sharing capabilities:
• Max. number of local user accounts: 2,048
• Max. number of local groups: 256
• Max. number of shared folders: 512
• Max. number of concurrent SMB/NFS/AFP/FTP connections: 500
• Privileges: Windows® Access Control List (ACL) and application privileges
• Directory services: 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 browsers: 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
• Interface languages: English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, ???????, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, ?eský

Packages and Applications

File Server & Synchronization

• Drive:
• Synchronizes files across Windows®, macOS®, Linux®, Android™, and iOS. The built-in cross-platform portal allows access to data anytime and anywhere
• Max. number of hosted files: 500,000
• Max. 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
• Hybrid Share: Efficiently synchronizes files across sites by keeping shared data on Synology C2 Storage and streaming files to Synology NAS worldwide on request. Frequently requested files are cached at each site for low-latency access
• 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 Server⁶: Enables high-speed data transfer over WAN between Synology NAS and desktop platforms through the exclusive SITA technology
• 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
• 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

• SAN Manager:
  • Max. number of iSCSI targets: 128
  • Max. number of LUNs: 256
  • LUN clone/snapshot support

Data Protection & Backup Solutions

• Hyper Backup: Supports local backup, network backup, and data backup to other devices, Synology NAS, and public clouds including C2 Storage
• Backup tools:
  • DSM configuration backup, macOS® Time Machine® support, Synology Drive Client desktop application
  • Shared folder sync supports a maximum of 8 tasks
• Snapshot Replication:
  • Max. number of snapshots for shared folders: 1,024
  • Max. number of replications: 32
• Synology High Availability: Reduces service downtime by combining two identical NAS into a high-availability cluster
• 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

Productivity & Collaboration

• Collaboration tools:
• Collaborate with instant messaging service Synology Chat, online documents editor Synology Office, and scheduling assistant Synology Calendar
• Max. number of users for Chat: 100
• Max. number of users for Office: 200
• Calendar supports 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

• Surveillance Station³: Max. number of IP cameras: 40, for a total of 1,200 FPS at 720p (H.264)

Management & Administration

• Synology Directory Server: Provides a flexible and cost-effective domain controller solution
• Central Management System: Provides a single interface to manage and monitor multiple Synology NAS
• VPN Server:
  • Max. number of connections: 40
  • Supported VPN protocols: PPTP, OpenVPN™, L2DTP/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

Others

• iOS/Android™ applications Synology Drive, Synology Secure SignIn, Synology Chat, Synology LiveCam, Synology Active Insight, DS cam, DS file, DS finder, and DS note
• Other: packages Additional 3rd-party packages are available in the Package Center

Environment and Packaging

• Environmental safety: RoHS compliant
• Package contents:
• 1 x RS422+ main unit
• 1 x Accessory pack
• 1 x AC power cord
• 1 x Quick Installation Guide
• Optional accessories⁷:
• 3.5" SATA HDD: HAT5300 Series
• 2.5" SATA SSD: SAT5200 Series
• 10GbE Network Upgrade Module: E10G22-T1-Mini
• Surveillance Device License Pack3
• Synology Rail Kit: RKS-02, RKM114
• Extended Warranty: EW201, Extended Warranty Plus8

Note: Specifications are subject to change without notice. Please refer to the model’s specifications page for the most up to date information.

1. Performance figures are obtained through internal testing by Synology. Actual performance may vary depending on the testing environment, usage, and configuration. See performance charts for more information.
2. C2 Storage for Hyper Backup and Hybrid Share requires purchase of an eligible annual or monthly subscription. A free trial is available for each newly registered DATASHEET | RackStation RS422+ SYNOLOGY INC. © 2022, 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. RS422+-2022-ENU-REV002 device.
3. Surveillance Station includes two free licenses. Connecting more cameras and devices requires additional licenses. Learn more
4. Check our compatibility list for supported drives.
5. System snapshots include snapshots taken by SAN Manager and Snapshot Replication. Availability of these packages varies by model.
6. Presto File Server license can be purchased separately through the application.
7. Please refer to our compatibility list for the latest optional accessories list.
8. Up to 5 years of warranty are available as an additional bundle with Extended Warranty Plus or Extended Warranty EW201, both 2-year Extended Warranty service add-ons available in select regions. Check availability for Extended Warranty Plus or Extended Warranty EW201.
9. The warranty period starts from the date of purchase as stated on your purchase receipt. Visit https://www.synology.com/company/legal/warranty for more information