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Synology DS923+ 4 bays Nas

Synology DS923+ 4 bays Nas Flexible storage platform for small businesses and home offices

The DS923+ is a versatile 4-bay NAS designed for small businesses and home offices. It offers scalable storage, enhanced data protection, and powerful performance, providing an efficient solution for file management, backup, and collaboration needs.

Estimated Delivery :
Jan 23 - Jan 26
Free Shipping & Returns :
On orders above $79

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Description

Take your Data Management to the next level

Versatile smart storage that helps you consolidate and store your growing digital data.

Stunningly Compact

Powerful functionality in a tiny package, with room for 10GbE and dual NVMe drives.

Consolidate and share

Flexibly store and organize 50 TB of data, then share with anyone.

Keep your data Safe

Hardware and software engineered to protect your data - trusted by millions.

Simply Faster

DS923+ can handle more demanding application workloads and a greater number of concurrent users compared to prior-generation systems. Experience faster file indexing in Synology Drive, photo organization in Photos, and concurrent file transfers.
Synology Drive

faster file indexing

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Synology Photos

faster photo indexing

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Multiple file transfers

faster random write

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The Performance you Need

Reduce transfer times with the DS923+, designed to accelerate your workloads. Easily add faster networking and NVMe drives to further boost performance.
Up to
592/562 MB/s

Read/Write

Up to
10GbE

Networking

2 x M.2
NVMe

Cache & Storage Pool

Storage that fits your Needs

Is your data scattered across external drives and public cloud accounts? With the DS923+, you can consolidate your data with over 50 TB across 4 bays.5 Need more space? Expand with the DX517 for over 120 TB of storage.
4 bays
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9 bays
0 TB

Private Coud

Access files from all your devices and protect them with smart versioning. Manage, share, and sync your data across locations.

Multi-layered Backup

Back up files, folders, physical devices, VMs, and SaaS applications with free solutions, and protect your NAS with built-in technologies.

Smart surveillance

Transform your Synology device into a full-featured video management system for a wide range of compatible IP cameras.

Performance backed by Synology drives

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

HDD
Enterprise Series 3.5″ SATA
Plus Series 3.5″ SATA
SSD
Enterprise Series 2.5″ SATA
Enterprise Series M.2 NVMe
enterprise-hat-img
plus-hat3310
enterprise-sat-img
enterprise-snv3400

Get more with DiskStation Manager

Take advantage of a host of native productivity, management, and security solutions available in the web-based Synology DSM operating system.
Central Management System

Conveniently manage your fleet of Synology NAS from a centralized console.

Security

Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.

Synology High Availability

Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.

Synology has you covered

The DS923+ is backed by Synology’s 3-year hardware warranty. An optional 2-year extended warranty is available in select regions to extend coverage to 5 years.

DiskStation DS923+

Hardware Specs

Hardware Specifications
CPUCPU ModelAMD Ryzen R1600
CPU Quantity1
CPU Core2
CPU Architecture64-bit
CPU Frequency2.6 (base) / 3.1 (turbo) GHz
Hardware Encryption EngineYES
MemorySystem Memory4 GB DDR4 ECC SODIMM
Memory Module Pre-installed4 GB (4 GB x 1)
Total Memory Slots2
Maximum Memory Capacity32 GB (16 GB x 2)
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.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
StorageDrive Bays4
Maximum Drive Bays with Expansion Unit9 (DX517 x 1)
M.2 Drive Slots2 (NVMe)
Compatible Drive Type*
  • 3.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD
Hot Swappable Drive*YES
Notes
  • The hot swappable drive feature is not supported by M.2 SSD slots.
  • "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 PortsRJ-45 1GbE LAN Port2
USB 3.2 Gen 1 Port*2
Expansion Port1
Expansion Port TypeeSATA
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.
PCIePCIe Expansion1 x Gen3 x2 network upgrade slot
AppearanceSize (Height x Width x Depth)166 mm x 199 mm x 223 mm
Weight2.24 kg
OthersSystem Fan92 mm x 92 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Brightness Adjustable Front LED IndicatorsYES
Power RecoveryYES
Noise Level*22.9 dB(A)
Scheduled Power On / OffYES
Wake on LAN / WANYES
Power Supply Unit / Adapter100 watts
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption35.51 watts (Access)
11.52 watts (HDD Hibernation)
British Thermal Unit121.09 BTU/hr (Access)
39.28 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%
TemperatureOperating Temperature0°C to 40°C (32°F to 104°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
Certification
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
Warranty3-year hardware warranty, extendable to 5 years with EW201
Notes
  • The warranty period starts from the purchase date as stated on your purchase receipt.
  • EW201/EW202 is only available in Asia, Africa, and Oceania. Refer to the Extended Warranty website for details on supported countries/regions.
EnvironmentRoHS 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 2
  • Quick Installation Guide X 1
Optional Accessories
  • DDR4 ECC SODIMM : D4ES02-4G/D4ES02-8G/D4ES01-16G
  • Expansion Units : DX517
  • Enterprise Series 3.5" SATA HDD : HAT5300 Series
  • Plus Series 3.5" SATA HDD : HAT3300 Series
  • Enterprise Series 2.5" SATA SSD : SAT5200 Series
  • Enterprise Series M.2 2280 NVMe SSD : SNV3400 Series
  • 10GbE Network Upgrade Module : E10G22-T1-Mini

Software Specs

DSM Specifications
Storage ManagementMaximum Single Volume Size108 TB
Maximum Internal Volume Number64
M.2 SSD Storage Pool Support*YES
SSD Read/Write CacheYES
SSD TRIMYES
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
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
Notes
  • Creating M.2 storage pools requires the use of Synology-verified SSDs, which are rigorously tested under extreme temperature conditions. Thermal parameters for SSDs and NAS units are fine-tuned to ensure optimal management of thermal conditions under I/O-intensive environments.
  • 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.
  • Each internal volume (may consist of multiple drives) is expandable up to 108TB.
File SystemInternal Drives
  • Btrfs
  • ext4
External Drives
  • Btrfs
  • ext4
  • ext3
  • FAT
  • NTFS
  • HFS+
  • exFAT
File ServicesFile Protocol
  • SMB
  • AFP
  • NFS
  • FTP
  • WebDAV
  • Rsync
Maximum Concurrent SMB/AFP/FTP Connections1,000
Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion)2,000
Windows Access Control List (ACL) IntegrationYES
NFS Kerberos AuthenticationYES
Notes
  • Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
  • 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 FolderMaximum Local User Accounts2,048
Maximum Local Groups256
Maximum Shared Folder512
Maximum Shared Folder Sync Tasks16
Hybrid ShareHybrid Share Folder Number10
Hyper BackupData & Folder BackupYES
Entire System BackupYES
NotesFull-system backup requires DSM 7.2 or later.
High AvailabilitySynology High AvailabilityYES
Log CenterSyslog Events per Second800
VirtualizationVMware ESXi 6.5 and VAAIYES
Windows Server 2022YES
Citrix ReadyYES
OpenStackYES
General SpecificationsSupported ProtocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
  • Chrome
  • Firefox
  • Edge
  • Safari
Supported LanguageEnglish, 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
NotesFor an updated list of supported browser versions, check the DSM Technical Specifications.
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)YES
Central Management SystemYES
Synology ChatSuggested Concurrent Users100
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.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Download StationMaximum Concurrent Download Tasks80
SAN ManagerMaximum iSCSI Target Number128
Maximum LUN256
LUN Clone/Snapshot, Windows ODXYES
Synology MailPlus / MailPlus ServerFree Email Accounts5 (Additional accounts require purchase of licenses)
Suggested Maximum Users500
Suggested Concurrent Users100
Maximum Server Performance1,224,000 emails per day, approx. 37GB
Notes
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media ServerDLNA ComplianceYES
Synology PhotosFacial RecognitionYES
Object RecognitionYES
Snapshot ReplicationMaximum Snapshots per Shared Folder1,024
Maximum of System Snapshots65,536
Surveillance StationDefault Licenses2 (Additional cameras require purchase of licenses)
Suggested Maximum IP Cameras and Total FPS (H.264)
  • 720p : 40 channels, 1200 FPS
  • 1080p : 40 channels, 1050 FPS
  • 3M : 40 channels, 600 FPS
  • 5M : 30 channels, 360 FPS
  • 4K : 20 channels, 200 FPS
Suggested Maximum IP Cameras and Total FPS (H.265)
  • 720p : 40 channels, 1200 FPS
  • 1080p : 40 channels, 1200 FPS
  • 3M : 40 channels, 1000 FPS
  • 5M : 40 channels, 600 FPS
  • 4K : 30 channels, 300 FPS
Notes
  • Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and 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.
  • The maximum number of camera stream outputs is 2 times the suggested maximum number of IP cameras.
Synology DriveRecommended Number of Concurrent Sync Clients350 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Recommended Number of Hosted Files5,000,000 (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.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology OfficeSuggested Maximum Users3,000
Suggested Concurrent Users1,200
Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video StationYES
Virtual Machine ManagerRecommended Virtual Machine Instances4
Recommended Virtual DSM Number4 (including 1 Free License)
NotesThe specifications vary depending on system configuration and memory size.
VPN ServerMaximum Connections40
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