With its compact 1U form factor and powerful Synology DiskStation Manager (DSM) operating system, the 4-bay Synology RackStation RS422+ is an affordable all-in-one solution for small businesses and home lab owners looking to meet their daily data management, sharing, synchronization, and backup needs.
601/516 MB/s sequential read/write throughput
Depth of just 327.5 mm with handles
Built-in dual 1GbE ports with easy 10GbE option
ECC memory prevents data corruption
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.
Leverage built-in connectivity to integrate the RS422+ into any IT environment, or expand its capabilities by adding plug-and-play modules.
Dual Gigabit ports with support for network failover and load balancing deliver fast and dependable performance out of the box.
Add an through the easily accessible slot to instantly enable faster networking.
The RS422+ is designed to support small deployments in tackling common applications such as file management, data backup, and surveillance.
Provide secure and convenient multi-platform file access, sharing, and synchronization across different locations.
Synology Drive provides remote data access, synchronization, on-demand file restoration, and backup via handy desktop and mobile applications.
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.
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.
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.
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.
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.
Design an effective backup strategy to maximize system availability with a host of native and license-free solutions.
Securely back up Windows and Linux endpoints, Synology servers, and VMware and Hyper-V virtual machines with Active Backup for Business.
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.
Back up files, LUNs, installed applications, and system configurations to destinations including , public cloud platforms, USB devices, file servers, local folders, or other Synology systems.
Set and forget backup tasks with regular schedules, enhance security with fine-grained user permissions and encryption, keep backup sizes small with built-in deduplication, and restore data flexibly with multi-versioning.
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.
Leverage flexible deployment options, intuitive management capabilities, and advanced video analytics to secure your premises.
Connect up to 40 IP cameras from a selection of over 8,300 validated models thanks to 's wide camera compatibility.
Monitor live streams or watch recordings from web browser, desktop client, or the DS cam mobile app.
Footage is stored locally for easier compliance with data protection regulations and further protected from unauthorized access with industry-standard AES-256 encryption.
Automatically locate new cameras within a set IP range, and configure units in batch by importing spreadsheets or replicating settings to new cameras.
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.
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.
Enjoy high sustained performance and reliability with enterprise-grade drives designed for Synology systems and featuring built-in data protection.
Take advantage of a whole host of native productivity, management, and security solutions available on the web-based DSM operating system.
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.
Manage the health of your deployments and centrally administer updates with ease.
Manage user accounts and devices throughout your business with powerful directory services.
Conveniently manage your fleet of Synology NAS from a centralized console.
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Extend the standard 3-year hardware warranty of your RS422+ with 2 extra years of Synology-certified support and premium services that help you recover faster in the event of disaster.
Performance figures are obtained through internal testing by Synology. Actual performance may vary depending on the testing environment, usage, and configuration. See for more information.
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 device.
Surveillance Station includes 2 free licenses. Connecting more cameras and devices requires additional licenses.
Check the for supported drives.
The warranty period starts from the date of purchase as stated on your purchase receipt. Visit for more information.
Extended Warranty Plus must be purchased within 90 days of the device purchase date or, if none is available, 180 days of the device manufacturing date. A Synology Account is required for the purchase. The starting date of Extended Warranty Plus additional coverage is calculated based on the purchase date of your Synology NAS. If you cannot provide proof of purchase, the device manufacturing date applies.
Express shipping is a paid add-on available in select countries only.
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Hardware Specifications
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CPU
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CPU
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CPU Model | AMD Ryzen R1600 |
| CPU Quantity | 1 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 2-core 2.6 (base) / 3.1 (turbo) GHz | |
| Hardware Encryption Engine (AES-NI) | ||
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Memory
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Memory
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System Memory | 2 GB DDR4 ECC |
| Notes | Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. | |
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Storage
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Storage
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Drive Bays | 4 |
| Compatible Drive Type* |
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| Hot Swappable Drive | ||
| Notes | 'Compatible drive type' indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. | |
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External Ports
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External Ports
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RJ-45 1GbE LAN Port* | 2 (with Link Aggregation / Failover support) |
| USB 3.2 Gen 1 Port* | 1 | |
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PCIe
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PCIe
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PCIe Expansion | 1 x Gen3 x2 network upgrade slot |
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File System
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File System
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Internal Drives |
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Appearance
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Appearance
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Form Factor (RU) | 1U |
| Size (Height x Width x Depth) | 44 mm x 478 mm x 327.5 mm | |
| Weight | 4.38 kg | |
| Rack Installation Support* |
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| Notes | The rail kit is sold separately | |
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Others
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Others
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System Fan | 40 mm x 40 mm x 3 pcs |
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| Power Recovery | ||
| Noise Level* | 28.5 dB(A) | |
| Scheduled Power On / Off | ||
| Wake on LAN / WAN | ||
| Power Supply Unit / Adapter | 100 W | |
| AC Input Power Voltage | 100V to 240V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption* |
37.93 W (Access)
13.43 W (HDD Hibernation) |
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| British Thermal Unit |
129.42 BTU/hr (Access)
45.83 BTU/hr (HDD Hibernation) |
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| Notes | For more information on how power consumption is measured, refer to . | |
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Temperature
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Temperature
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Operating Temperature | 0°C to 35°C (32°F to 95°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) | |
| Relative Humidity | 5% to 95% RH | |
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Certification
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Certification
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Warranty
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Warranty
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3-year hardware warranty, extendable to 5 years with or | |
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