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RS422+

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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) Yes
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
Drive Bays 4
Compatible Drive Type* (See all supported drives)
  • 3.5″ SATA HDD
  • 2.5″ SATA SSD
Hot Swappable Drive* Yes
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
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 Expansion 1 x Gen3 x2 network upgrade slot
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT
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
System Fan 40 mm x 40 mm x 3 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Power Recovery Yes
Noise Level* 28.5 dB(A)
Scheduled Power On / Off Yes
Wake on LAN / WAN Yes
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.
  • Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle stae. Two G.R.A.S. Type 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
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
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
Warranty
3-year hardware warranty, extendable to 5 years with EW201
Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • Quick Installation Guide X 1
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) Yes
SSD TRIM Yes
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 depend on drive sizes 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 Yes
NFS Kerberos Authentication Yes
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
Data & Folder Backup Yes
Entire System Backup Yes
Notes Full-system backup requires DSM 7.2 or later.
Synology High Availability Yes
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)
Yes
Yes
Suggested 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, systems are tested configured with maximum memory and set to allow the maximum number of connections.
Document Viewer
Download Station
Maximum Concurrent Download Tasks 80
Maximum iSCSI Target Number 128
Maximum LUN 256
LUN Clone/Snapshot, Windows ODX Yes
DLNA Compliance Yes
Facial Recognition Yes
Maximum Snapshots per Shared Folder 1,024
Maximum of System Snapshots 65,536
Default Licenses 2 (Additional cameras require purchase of licenses)
Maximum IP Cameras and Total FPS (H.264)
  • 720p: 40 channels, 1200 FPS
  • 1080p: 40 channels, 800 FPS
  • 3M: 35 channels, 350 FPS
  • 5M: 28 channels, 280 FPS
  • 4K: 17 channels, 170 FPS
Maximum IP Cameras and Total FPS (H.265)
  • 720p: 40 channels, 1200 FPS
  • 1080p: 40 channels, 1200 FPS
  • 3M: 40 channels, 600 FPS
  • 5M: 40 channels, 480 FPS
  • 4K: 20 channels, 200 FPS
Notes
  • Performance figures are obtained from testing conducted with the device fully populated with drives under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.
  • Use NVR Selector to quickly find a suitable model based on your requirements.
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.
Suggested Maximum Users 3,000
Suggested Concurrent Users 1,200
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
Yes
Maximum Connections 40