RackStation RS422+

Compact and versatile storage for home and office

Performance

Performance

601/516 MB/s sequential read/write throughput1

Form Factor

Form Factor

Depth of just 327.5 mm with handles

Connectivity

Connectivity

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

File Integrity

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.

All-in-one data management platform

The RS422+ is designed to support small deployments in tackling common applications such as file management, data backup, and surveillance.

Edge storage for distributed teams

Edge storage for distributed teams

Edge storage for distributed teams
Multi-endpoint data protection

Multi-endpoint data protection

Multi-endpoint data protection
Smart surveillance for small deployments

Smart surveillance for small deployments

Smart surveillance for small deployments

Edge storage for distributed teams

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

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. Learn more

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. Learn more

Private file cloud

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.2 Learn more

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.

Efficient multi-site synchronization

Multi-endpoint data protection

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

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. Learn more

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. Learn more

Consolidated backup server

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. Learn more

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. Learn more

Data protection and recovery

Smart surveillance for small deployments

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

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.3

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 unauthorized access with industry-standard AES-256 encryption.

Simple-to-deploy local surveillance

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.

Flexible monitoring of multiple locations

Works best with Synology drives

Enjoy high sustained performance and reliability with enterprise-grade drives designed for Synology systems and featuring built-in data protection.4

Powered by Synology DSM

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

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.7

RackStation RS422+

product RS422plus front view photo
product RS422plus back view photo
  • 1Power Indicator
  • 2Power Button
  • 3Alert Indicator
  • 4Drive status indicator
  • 5Mute Button
  • 6Status Indicator
  • 7Drive Tray Locks
  • 8Drive tray
  • 9Fans
  • 10Power Port
  • 111GbE RJ-45 Ports
  • 12Console Port
  • 13USB 3.2 Gen 1 Port
  • 14Reset Button
  • 15Network Upgrade Slot

More ways to harness your NAS

Notes:

  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 device.

  3. Surveillance Station includes 2 free licenses. Connecting more cameras and devices requires additional licenses.Learn more

  4. Check the compatibility list for supported drives.

  5. 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.

  6. 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. Learn more

  7. Express shipping is a paid add-on available in select countries only.

Hardware Specifications
CPU
CPU
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)
Memory
Memory
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.
Storage
Storage
Drive Bays 4
Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA SSD
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.
External Ports
External Ports
RJ-45 1GbE LAN Port* 2 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port* 1
Notes
  • This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.
  • The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
PCIe
PCIe
PCIe Expansion 1 x Gen3 x2 network upgrade slot
File System
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT
Appearance
Appearance
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*
  • 4-post 19" rack (Synology Rail Kit - RKM114/RKS-02)
  • 2-post 19" rack (direct mounting)
Notes The rail kit is sold separately
Others
Others
System Fan 40 mm x 40 mm x 3 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
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)
British Thermal Unit 129.42 BTU/hr (Access)
45.83 BTU/hr (HDD Hibernation)
Notes For more information on how power consumption is measured, refer to this article.
Temperature
Temperature
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
Certification
Certification
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
Warranty
Warranty
3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus
Notes
  • Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
  • The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
Environment
RoHS Compliant
Packaging Content
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • Quick Installation Guide X 1
Optional Accessories
Optional Accessories
Notes Certain items may not be available in your location. Please contact your local distributors for more information.
DSM Specifications
Maximum Single Volume Size* 108 TB
Maximum Internal Volume Number 64
SSD Read / Write Cache (White Paper)
SSD TRIM
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
Notes
  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.
  • Actual maximum storage pool and volume sizes vary depending on drives used, the number of drive bays available, and the RAID configuration.
File Protocol SMB/AFP/NFS/FTP/WebDAV
Maximum Concurrent SMB/AFP/FTP Connections 500
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Notes The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.
Maximum Local User Accounts 2,048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Hybrid Share Folder Number 10
Notes For more supported details, please check this article.
Synology High Availability
Syslog Events per Second 800
Networking Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
  • Google Chrome
  • Firefox
  • Microsoft Edge
  • Safari
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
Notes For an updated list of supported browser versions, check the DSM Technical Specifications.
Antivirus by McAfee (Trial)
Antivirus by McAfee (Trial)
Maximum Number of Concurrent Users 100
Notes
  • Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds.
  • When applicable, tested systems are configured with maximum memory and set to allow the maximum number of connections.
Document Viewer
Document Viewer
Download Station
Download Station
Maximum Concurrent Download Tasks 80
Maximum iSCSI Target Number 128
Maximum LUN 256
LUN Clone/Snapshot, Windows ODX
DLNA Compliance
Facial Recognition
Maximum Snapshots per Shared Folder 1,024
Maximum of System Snapshots 65,536
Maximum IP cam (Licenses required) 40 (including 2 Free License) (see all supported IP cameras)
Total FPS (H.264) 1200 FPS @ 720p (1280x720)
800 FPS @ 1080p (1920x1080)
350 FPS @ 3M (2048x1536)
280 FPS @ 5M (2591x1944)
170 FPS @ 4K (3840x2160)
Total FPS (H.265) 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
600 FPS @ 3M (2048x1536)
480 FPS @ 5M (2591x1944)
200 FPS @ 4K (3840x2160)
Notes
  • Maximum IP cameras and FPS figures are tested with the device fully populated with drives and under a continuous recording setup.
  • Actual system capabilities may differ depending on system configuration, drive performance, number of features enabled, and if additional workloads are present.
Recommended Number of Concurrent Sync Clients 350 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Recommended Number of Hosted Files 5,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
Notes
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Utilizing SSD cache can significantly improve performance.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Maximum Users 200
Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Maximum Connections 40

Notes:

  1. Model specifications are subject to change without prior notice.
  2. The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
  3. The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
  4. If usage requirements exceed the specifications above, please contact our regional partners for professional advice.