DiskStation DS1823xs+
Flexible large-scale storage for small and medium-sized businesses
Private data center on your desk
The DS1823xs+ is a powerful central storage server that can easily be deployed anywhere to provide shared data storage and sharing, endpoint and server backup, VM storage, surveillance management, and other business applications. It is perfect in settings where no dedicated server rack or data center is available.
Desktop-sized powerhouse
Over 3,100/2,600 MB/s seq. read/write,1 built-in 10GbE, and up to 144 TB raw storage2 before expansion.
Flexible configuration
Add up to 10 extra drive bays, 25GbE or Fibre Channel, and SSD cache volumes when needed.3
Versatile applications
Back up 300 endpoints, manage 75 IP cameras,4 or safely sync and share files between devices and sites.
Safe, dependable, and scalable
Built-in data integrity protection, remote management options, and easy hardware expansion make the DS1823xs+ dependable, easy to maintain, and cost efficient.
Data integrity protection
The Btrfs file system helps prevent data corruption or loss through metadata mirroring, file self-healing, and efficient point-in-time snapshots. ECC memory provides additional integrity safeguards.
Efficient remote management
Monitor, manage, and replace drives and storage online in Synology DSM. Remotely reboot, reset, or view logs while the system is down thanks to out-of-band management (OOB).
Plug-and-play expansion
The DS1823xs+ can be scaled to up to 18 bays by adding two DX517 expansion units without system downtime, thanks to online storage and volume expansion.
The performance you need
Configure the DS1823xs+ to handle any workload. Easily add 1/10/25GbE or Fibre Channel ports and designate NVMe or SATA SSD volumes as read/write cache to boost HDD performance.
Over3,100/2,600 MB/sread/write1
Up to25GbEnetworking
2 x M.2NVMe SSDcache & storage pool5
Simply faster
Experience faster6 file indexing in Synology Drive and higher sequential throughput.
faster file indexing in Synology Drive7
higher seq. throughput when using Encrypted Shared Folders8
Store, share, and protect
Manage all your documents, photos, and other files, back up applications and devices, and protect your physical assets with professional video surveillance.
Flexible file server
Backup repository
Business application platform
Flexible file server
Use the DS1823xs+ as a central file repository and data sharing hub. Provide easy access to business data from PCs, phones, and other devices, and set up powerful cross-site syncing to empower collaboration between offices or branches.
A private cloud suite for file sharing
Empower your entire organization with a streamlined ability to access, share, and sync data from anywhere. Provide employees with access to corporate files through mobile apps, desktop clients, and a browser-based interface. Set granular file and folder access and sharing permissions. Maintain a full overview of file activities and track file share settings changes with detailed records in the Synology Drive Admin Console. Learn more
Dependable and secure network storage
Use shared folders on your Synology device as reliable storage available from anywhere on your local network over all common protocols (SMB/NFS/WebDAV/FTP). Protect your files against accidental changes and removal or even malware attacks with built-in snapshot technology and other backup options.
Secure site-to site file and folder syncing
Make sure branches always have up-to-date copies of crucial documents and data available locally by syncing Synology systems one or two-way using Synology Drive ShareSync. Have files updated across locations each time there is a change to efficiently keep all stakeholders on the same page. Learn more
Efficient cross-site syncing through the cloud
Boost syncing speeds, cut bandwidth use, and reduce your storage footprint by leveraging the powerful connectivity of our data centers. Synology Hybrid Share intelligently synchronizes data to Synology devices.9 Large or less frequently accessed files are stored on the cloud to reduce local storage requirements, while frequently used files are stored on local devices to provide users access at LAN speeds. Learn more
Backup repository
Back up files, folders, physical devices, VMs, and SaaS applications with free solutions, and protect your NAS with built-in technologies.
Centralize your backup and recovery solution
Consolidate and automate backup tasks for PCs, file servers, VMs, SaaS applications, and more with Active Backup Suite. Administer device backups remotely through a centralized portal and quickly restore specific files or entire devices to keep your business up and running. Take advantage of built-in remote backup solutions designed to protect your data with seamless 3-2-1 backup configurations. Learn more
Perform full system backups with Synology
Protect all data, applications, and configurations on your Synology systems with comprehensive scheduled backups to local and remote servers, external drives, or cloud storage destinations including Synology C2 Storage. Learn more
Protect folders and LUNs with snapshots
Configure efficient point-in-time snapshots of shared folders and LUNs at intervals as short as 5 minutes. Allow users to easily restore previous versions of files unassisted, quickly recover VMs, and copy snapshots to another server to benefit from rapid storage failover. Learn more
Business application platform
Host cost-efficient business solutions, either through containers, virtual machines, or Synology DiskStation (DSM)’s own solutions, including a powerful free backup suite, a versatile mail server, and a surveillance VMS with transparent licensing.
Collaboration in a secure cloud
Create and edit documents, spreadsheets, and slides together with your whole team in real time. Easily migrate existing documents from other platforms and take ownership of your files in a secure private cloud. Learn more
Synology’s private cloud mail solution provides ease of use, full data ownership, and robust data security with a low total cost of ownership thanks to its perpetual licensing model. Learn more
Keep teams connected through encrypted one-on-one private chats, public channels, and group conversations. Efficiently organize discussions with bookmarks, searchable hashtags, and chatbots. Learn more
Application test environment
Run Docker containers and VMs on DS1823xs+ using Docker and Synology Virtual Machine Manager (VMM)10 — a hypervisor for virtualized versions of Windows®, Linux®, and DSM — to safely test and evaluate applications.
Virtual DSM serves as a test environment for package updates or to add an additional layer of security between applications, systems, and data. Learn more
Performance backed by Synology drives
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.
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 DS1823xs+ is backed by Synology’s 5-year limited warranty,11 including technical support and hardware replacement services to maximize your return on investment and ensure continued high-quality performance. Learn more
DiskStation DS1823xs+
- 1Status Indicator
- 2Alert Indicator
- 3Power Button and Indicator
- 4LAN Indicators
- 5Drive Status Indicators
- 6Drive Trays
- 7Drive Tray Locks
- 8USB 3.2 Gen 1 Port
- 9Power Port
- 10Fans
- 11PCI Express Expansion Slot
- 12Kensington Security Slot
- 13Expansion Port
- 141GbE RJ-45 Ports
- 1510GbE RJ-45 Port
- 16Reset Button
- 17Management Port
- 18USB 3.2 Gen 1 Ports
- 19Expansion Port
- 20Memory Slots
Notes:
Performance figures obtained through internal testing by Synology. Actual performance may vary depending on the testing environment, usage, and configuration. See performance charts for more information.
Raw capacity. Usable storage capacity may vary depending on drives used and RAID configuration.
DS1823xs+ supports up to 18 drives with two Synology DX517 Expansion Units, sold separately.
Supports up to 75 IP cameras on a single Synology server with Synology Surveillance Station. Up to 10,000 cameras can be managed per deployment by adding together recording servers with Surveillance Station CMS. Surveillance Station includes 2 free licenses. Connecting more cameras and devices requires additional licenses. Learn more.
SSD cache can be enabled by using 2.5″ SATA SSD drives in standard drive bays or without occupying drive bays by installing Synology SNV3400 Series M.2 NVMe SSD drives through the built-in M.2 slots. SNV3400 Series M.2 NVMe SSD drives can also be used to create SSD storage pools. Drives are sold separately.
Compared with its predecessor, the Synology DiskStation DS1621xs+.
Tested with 8 TB Synology HAT5300 Series HDD.
Sequential write throughput in MB/s when using a 10GbE SMB connection. Tested on an all-flash volume with Synology SAT5200 flash drives.
C2 Storage for Hyper Backup and Hybrid Share requires purchase of an annual or monthly subscription. A free trial is available for each newly registered device.
Certain advanced features require Virtual Machine Manager Pro. One Virtual DSM License is included. Additional Virtual DSM instances require the purchase of Virtual DSM Licenses.
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.
Hardware Specifications | ||
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CPU | CPU Model | AMD Ryzen V1780B |
CPU Quantity | 1 | |
CPU Architecture | 64-bit | |
CPU Frequency | 4-core 3.35 (base) / 3.6 (turbo) GHz | |
Hardware Encryption Engine | ||
Memory | System Memory | 8 GB DDR4 ECC SODIMM |
Memory Module Pre-installed | 8 GB (8 GB x 1) | |
Total Memory Slots | 2 | |
Maximum Memory Capacity | 32 GB (16 GB x 2) | |
Notes |
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Storage | Drive Bays | 8 |
Maximum Drive Bays with Expansion Unit | 18 (DX517 x 2) | |
M.2 Drive Slots | 2 (NVMe) | |
Compatible Drive Type* (See all supported drives) |
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Hot Swappable Drive* | ||
Notes |
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External Ports | RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) |
RJ-45 10GbE LAN Port | 1 | |
Out-of-Band Management LAN Port | 1 | |
USB 3.2 Gen 1 Port* | 3 | |
eSATA Port | 2 | |
Notes | This device’s 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. | |
PCIe | PCIe Expansion | 1 x Gen3 x8 slot (x4 link) |
Appearance | Size (Height x Width x Depth) | 166 mm x 343 mm x 243 mm |
Weight | 6.2 kg | |
Others | System Fan | 120 mm x 120 mm x 2 pcs |
Fan Speed Mode |
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Easy Replacement System Fan | ||
Brightness Adjustable Front LED Indicators | ||
Power Recovery | ||
Noise Level* | 23.6 dB(A) | |
Scheduled Power On / Off | ||
Wake on LAN / WAN | ||
Power Supply Unit / Adapter | 250 W | |
AC Input Power Voltage | 100V to 240V AC | |
Power Frequency | 50/60 Hz, Single Phase | |
Power Consumption | 87.93 W (Access) 28.37 W (HDD Hibernation) | |
British Thermal Unit | 300.23 BTU/hr (Access) 96.87 BTU/hr (HDD Hibernation) | |
Notes |
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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 |
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Warranty | 5 Years | |
Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
Environment | RoHS Compliant | |
Packaging Content |
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Optional Accessories |
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Notes:
- Model specifications are subject to change without prior notice.
- 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.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our regional partners for professional advice.
DSM Specifications | ||
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Maximum Single Volume Size |
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Maximum Internal Volume Number | 256 | |
M.2 SSD Storage Pool Support* | ||
SSD Read/Write Cache (Determining cache size) | ||
SSD TRIM | ||
RAID Group | ||
Supported RAID Type |
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RAID Migration |
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Volume Expansion with Larger HDDs |
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Volume Expansion by Adding a HDD |
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Global Hot Spare Supported RAID Type |
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Notes |
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Internal Drives |
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External Drives |
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File Protocol |
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Maximum Concurrent SMB/AFP/FTP Connections | 2,000 | |
Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) | 8,000 | |
Windows Access Control List (ACL) Integration | ||
NFS Kerberos Authentication | ||
Notes |
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Maximum Local User Accounts | 16,000 | |
Maximum Local Groups | 512 | |
Maximum Shared Folder | 512 | |
Maximum Shared Folder Sync Tasks | 32 | |
Maximum Hybrid Share Folders | 15 | |
Folder and Package Backup | ||
Entire System Backup | ||
Notes | Full-system backup requires DSM 7.2 or later. | |
Synology High Availability | ||
Syslog Events per Second | 3,000 | |
Virtualization | VMware ESXi 6.5 and VAAI | |
Windows Server 2022 | ||
Citrix Ready | ||
OpenStack | ||
Supported Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | |
Supported Browsers |
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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 | ||
Antivirus by McAfee (Trial) | ||
Suggested Concurrent Users | 400 | |
Notes |
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Download Station | Maximum Concurrent Download Tasks | 80 |
Maximum iSCSI Target Number | 256 | |
Maximum LUN | 512 | |
LUN Clone/Snapshot, Windows ODX | ||
Free Email Accounts | 5 (Additional accounts require purchase of licenses) | |
Suggested Maximum Users | 2,250 | |
Suggested Concurrent Users | 450 | |
Maximum Server Performance | 2,029,000 emails per day, approx. 59GB | |
Notes |
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DLNA Compliance | ||
Facial Recognition | ||
Object Recognition | ||
Maximum Snapshots per Shared Folder | 1,024 | |
Maximum of System Snapshots | 65,536 | |
Default Licenses | 2 (Additional cameras require purchase of licenses) | |
Suggested Maximum IP Cameras and Total FPS (H.264) |
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Suggested Maximum IP Cameras and Total FPS (H.265) |
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Notes |
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Recommended Number of Concurrent Sync Clients | 900 (the number of connections that can be maintained when the recommended number of hosted files was reached) | |
Recommended Number of Hosted Files | 50,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) | |
Notes |
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Suggested Maximum Users | 7,000 | |
Suggested Concurrent Users | 2,800 | |
Notes |
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Recommended Virtual Machine Instances | 8 (Learn more) | |
Recommended Virtual DSM Number (Licenses required) | 8 (including 1 Free License) | |
Notes | The specifications vary depending on system configuration and memory size. | |
Maximum Connections | 60 |
Notes:
- Model specifications are subject to change without prior notice.
- 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.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our regional partners for professional advice.