Streamline your data managementWith 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.Space-saving design for flexible deploymentThanks 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 optionsLeverage built-in connectivity to integrate the RS422+ into any IT environment, or expand its capabilities by adding plug-and-play modules.Built-in connectivityDual Gigabit ports with support for network failover and load balancing deliver fast and dependable performance out of the box.Easy upgrade to 10GbEAdd an E10G22-T1-Mini Network Upgrade Module through the easily accessible slot to instantly enable faster networking.All-in-one data management platformThe RS422+ is designed to support small deployments in tackling common applications such as file management, data backup, and surveillance.- Edge storage for distributed teams- Multi-endpoint data protection- Smart surveillance for small deploymentsEdge storage for distributed teamsProvide secure and convenient multi-platform file access, sharing, and synchronization across different locations.Enable effective collaboration with Synology DriveSynology Drive provides remote data access, synchronization, on-demand file restoration, and backup via handy desktop and mobile applications.Multi-platform supportAccess 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 timeIntegrate 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.Connect teams with Hybrid ShareUtilize 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 demandWith 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 locallyFrequently 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 protectionDesign an effective backup strategy to maximize system availability with a host of native and license-free solutions.Endpoint, VM, and NAS/SAN protectionSecurely back up Windows and Linux endpoints, Synology servers, and VMware® and Hyper-V® virtual machines with Active Backup for Business.Microsoft 365 and Google WorkspaceCentralize 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.Hyper BackupBack 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 fine-grained user permissions and encryption, keep backup sizes small with built-in deduplication, and restore data flexibly with multi-versioning.Snapshot ReplicationSnapshot 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 deploymentsLeverage flexible deployment options, intuitive management capabilities, and advanced video analytics to secure your premises.Wide compatibilityConnect 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 convenienceMonitor live streams or watch recordings from web browser, desktop client, or the DS cam mobile app.Secure and privateFootage is stored locally for easier compliance with data protection regulations and further protected from unauthorized access with industry-standard AES-256 encryption.Assisted mass deploymentAutomatically locate new cameras within a set IP range, and configure units in batch by importing spreadsheets or replicating settings to new cameras.Centralized management and monitoringStay 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 analyticsTake 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.Works best with Synology drivesEnjoy high sustained performance and reliability with enterprise-grade drives designed for Synology systems and featuring built-in data protection.Powered by Synology DSMTake advantage of a whole host of native productivity, management, and security solutions available on the web-based DSM operating system.File ManagementManage, sync, and share files from multiple devices through a centralized platform.SecurityShield your Synology NAS from the most sophisticated threats with industry-leading security solutions.System AdministrationManage the health of your deployments and centrally administer updates with ease.User ManagementManage user accounts and devices throughout your business with powerful directory services.Central Management SystemConveniently manage your fleet of Synology NAS from a centralized console.Synology High AvailabilitySeamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Storage | |
Storage drives installed: | ![]() |
Total installed storage capacity: | 16 TB |
Number of storage drives installed: | 4 |
Number of storage drives supported: | 4 |
Installed storage drive type: | HDD |
Supported storage drive types: | HDD & SSD |
Storage drive capacity: | 4 TB |
Storage drive interface: | Serial ATA |
RAID support: | ![]() |
Supported storage drive interfaces: | Serial ATA |
Storage drive sizes supported: | 2.5,3.5" |
RAID levels: | 0, 1, 5, 6, 10, JBOD |
Online RAID migration: | ![]() |
Online RAID expansion: | ![]() |
Hot-swap drive bays: | ![]() |
Supported file systems: | BTRFS, Fat, HFS+, NTFS, exFAT, ext3, ext4 |
Processor | |
Processor family: | Ryzen Embedded |
Processor manufacturer: | AMD |
Processor model: | R1600 |
Processor frequency: | 2.6 GHz |
Processor boost frequency: | 3.1 GHz |
Processor cores: | 2 |
Processor threads: | 4 |
Memory | |
Internal memory: | 2 GB |
Internal memory type: | DDR4 |
ECC: | ![]() |
Network | |
Ethernet LAN: | ![]() |
Ethernet LAN data rates: | 10,100,1000 Mbit/s |
iSCSI support: | ![]() |
Wake-on-LAN ready: | ![]() |
Supported network protocols: | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
Link aggregation: | ![]() |
Ports & interfaces | |
Ethernet LAN (RJ-45) ports: | 2 |
USB port: | ![]() |
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: | 1 |
Design | |
Chassis type: | Rack (1U) |
Cooling type: | Active |
Product colour: | Black |
Number of fans: | 3 fan(s) |
Fan diameter: | 4 cm |
LED indicators: | ![]() |
Performance | |
Type: | NAS |
Device class: | Small & Medium Business |
Backup function: | ![]() |
Backup features: | Cloud, iSCSI LUN |
Multilingual support: | ![]() |
Number of users: | 2048 user(s) |
Noise level: | 28.5 dB |
Third-party support: | ![]() |
Snapshot: | ![]() |
Share folder access right management: | ![]() |
Security algorithms: | HTTPS, SSH, SSL/TLS |
Access Control List (ACL): | ![]() |
Reset button: | ![]() |
On/off switch: | ![]() |
Built-in FTP server: | ![]() |
Browser supported: | Google Chrome, Firefox, Microsoft Edge, Safari |
Hot spare: | ![]() |
Share folder: | SMB/AFP/NFS/FTP/WebDAV |
Software | |
Operating system installed: | DiskStation Manager |
Power | |
Power supply location: | Built-in |
Power supply unit (PSU) capacity: | 100 W |
Number of power supply units: | 1 |
Power consumption (typical): | 37.93 W |
Power consumption (HDD standby): | 13.43 W |
AC input voltage: | 100 - 240 V |
AC input frequency: | 50 - 60 Hz |
Weight & dimensions | |
Width: | 478 mm |
Depth: | 327.5 mm |
Height: | 44 mm |
Packaging content | |
Cables included: | AC |
Power cables quantity: | 1 |
Rack mount kit: | ![]() |
Technical details | |
Sustainability compliance: | ![]() |
Sustainability certificates: | RoHS |
Operational conditions | |
Operating temperature (T-T): | 0 - 35 °C |
Operating relative humidity (H-H): | 8 - 80% |
Storage temperature (T-T): | -20 - 60 °C |
Storage relative humidity (H-H): | 5 - 95% |
Operating altitude: | 0 - 5000 m |