Synology DiskStation DS223J 4-Core 1GB DDR4 2-Bay NAS

24 months

  • Software Specs

DSM Specifications

Storage Management

 Maximum Single Volume Size 108 TB
  Maximum Internal Volume Number 64
  Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  RAID Migration Basic to RAID 1
  Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  Volume Expansion by Adding a HDD Synology Hybrid RAID
  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 Services

 File Protocol SMB/AFP/NFS/FTP/WebDAV
  Maximum Concurrent SMB/AFP/FTP Connections 100
  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.

Account & Shared Folder

 Maximum Local User Accounts 1,024
  Maximum Local Groups 256
  Maximum Shared Folder 256
  Maximum Shared Folder Sync Tasks 4

Hyper Backup

 Folder and Package Backup  

Log Center

 Syslog Events per Second 200

General Specifications

 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.

Add-on Packages view the complete package list

Synology Chat

  

Download Station

 Maximum Concurrent Download Tasks 80

SAN Manager

 Maximum iSCSI Target Number 10
  Maximum LUN 10
  LUN Clone/Snapshot, Windows ODX  

Media Server

 DLNA Compliance  

Synology Photos

 Facial Recognition  

Snapshot Replication

 Maximum Snapshots per Shared Folder 256
  Maximum of System Snapshots 4,096
  Notes Snapshot Replication is available from DSM 7.2-64570.

Surveillance Station

 Default Licenses 2 (Additional cameras require purchase of licenses)
  Maximum IP Cameras and Total FPS (H.264)
  • 720p: 12 channels, 360 FPS
  • 1080p: 12 channels, 360 FPS
  • 3M: 12 channels, 300 FPS
  • 5M: 12 channels, 150 FPS
  • 4K: 11 channels, 110 FPS
  Maximum IP Cameras and Total FPS (H.265)
  • 720p: 12 channels, 360 FPS
  • 1080p: 12 channels, 360 FPS
  • 3M: 12 channels, 360 FPS
  • 5M: 12 channels, 350 FPS
  • 4K: 12 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.

Synology Drive

 Recommended Number of Concurrent Sync Clients 200 (the number of connections that can be maintained when the recommended number of hosted files was reached)
  Recommended Number of Hosted Files 500,000 (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.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office

 Suggested Maximum Users 500
  Suggested Concurrent 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

Video Station

  

VPN Server

 Maximum Connections 10

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.
  • Hardware Specs

CPU

 CPU Model Realtek RTD1619B
  CPU Quantity 1
  CPU Architecture 64-bit
  CPU Frequency 4-core 1.7 GHz
  Hardware Encryption Engine  

Memory

 System Memory 1 GB DDR4 non-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 2
  Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA SSD (with optional 2.5" Disk Holder)
  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

 RJ-45 1GbE LAN Port 1
  USB 3.2 Gen 1 Port* 2
  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.

File System

 Internal Drives
  • Btrfs
  • EXT4
  External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT
  Notes Btrfs file system is available from DSM 7.2-64570.

Appearance

 Size (Height x Width x Depth) 165 mm x 100 mm x 225.5 mm
  Weight 0.88 kg

Others

 System Fan 92 mm x 92 mm x 1 pcs
  Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
  • Low-power Mode
  Brightness Adjustable Front LED Indicators  
  Power Recovery  
  Noise Level* 18.2 dB(A)
  Scheduled Power On / Off  
  Wake on LAN / WAN  
  Power Supply Unit / Adapter 60 W
  AC Input Power Voltage 100V to 240V AC
  Power Frequency 50/60 Hz, Single Phase
  Power Consumption 16.31 W (Access)
4 W (HDD Hibernation)
  British Thermal Unit 55.62 BTU/hr (Access)
13.64 BTU/hr (HDD Hibernation)
  Notes
  • For more information on how power consumption is measured, refer to this article.
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. 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 40°C (32°F to 104°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

 2-year hardware warranty, extendable to 4 years with Extended Warranty Plus
  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 Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 1
  • Quick Installation Guide X 1

Optional Accessories
  • 3.5" SATA HDD: HAT3300
  • Surveillance Device License Pack
  • Disk Holder: Type C

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.
SKU NWSDS223J
Brand Synology
Unit Of Measure ea

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