DiskStation DS1819+
DiskStation DS1819+
Scalable 8-bay NAS for small- to medium-sized businesses

Ready to Grow as Your Business Thrives
DS1819+ is an 8-bay desktop NAS providing superior performance with great expandability, allowing for seamless expansion and upgradability to satisfy your growing business needs.
CPU
Quad-core 2.1GHz with AES-NI encryption engine
Memory
4GB DDR4, expandable up to 32GB
Scalability
Up to 18 drives with two DX517
Performance
2,045 MB/s sequential reading and 656 MB/s writing1
Fulfills Intensive Workloads with PCIe Expansion
DS1819+ comes with four Gigabit Ethernet ports and one PCIe expansion slot, providing great configuration flexibility, thereby satisfying your intensive workload demands.
Engineered for reliability, backed by Synology
DS1819+ is designed to reliably store your data and is backed by Synology's three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage. Learn more

Real-time collaboration on your private cloud
Synology Office is a collaboration package combining the convenience and usability of public clouds with the data privacy and security guaranteed by private clouds. It allows you to work seamlessly together on documents and spreadsheets in a protected environment. Learn more
Digital asset protection
Powered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes. Learn more

Security Advisor
Analyze system settings, password strength and network preferences, and remove any possible malware.

AppArmor
A kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.

AES 256-bit encryption
ncrypt shared folders and network data transmission to avoid unauthorized data access.

2-step verification
Prevent others from logging in to your DSM by generating a six-digit one-time password (OTP) on your mobile device.

Ultimate Backup Solution
DS1819+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.

Active Backup for Business
Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
Learn more

Hyper Backup
Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.
Learn more

Synology Drive
Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Learn more

Active Backup for
Microsoft 365 / G Suite
On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.
Microsoft 365G Suite
Fully certified storage virtualization solutions
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.
Powered by Synology DSM
DSM UI
Award-winning operating system with an intuitive user interface and powerful capabilities.
Learn moreSynology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Learn morePublic Cloud Integration
Backup and synchronize data easily between your public cloud accounts and your NAS.
Learn moreSnapshot Replication
Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.
Learn moreSecurity
Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.
Learn moreNotes:
- Performance figures may vary depending on environment, usage, and configuration.
Hardware Specifications |
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CPU |
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CPU |
CPU Model | Intel Atom C3538 |
CPU Architecture | 64-bit | |
CPU Frequency | 4-core 2.1 GHz | |
Hardware Encryption Engine (AES-NI) | ||
Memory |
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Memory |
System Memory | 4 GB DDR4 non-ECC SODIMM |
Memory Module Pre-installed | 4 GB (4 GB x 1) | |
Total Memory Slots | 2 | |
Maximum Memory Capacity | 32 GB (16 GB x 2) | |
Notes |
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Storage |
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Storage |
Drive Bays | 8 |
Maximum Drive Bays with Expansion Unit | 18 (DX517 x 2) | |
Compatible Drive Type* (See all supported drives) |
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Maximum Single Volume Size* | 108 TB | |
Hot Swappable Drive | ||
Notes |
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External Ports |
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External Ports |
RJ-45 1GbE LAN Port | 4 (with Link Aggregation / Failover support) |
USB 3.2 Gen 1 Port* | 4 | |
eSATA Port | 2 | |
Notes | The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. | |
PCIe |
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PCIe |
PCIe Expansion | 1 x Gen3 x8 slot (black, x4 link) |
File System |
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File System |
Internal Drives |
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External Drives |
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Notes | exFAT Access is purchased separately in Package Center. | |
Appearance |
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Appearance |
Size (Height x Width x Depth) | 166 mm x 343 mm x 243 mm |
Weight | 6 kg | |
Others |
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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* | 22.2 dB(A) | |
Scheduled Power On / Off | ||
Wake on LAN / WAN | ||
Power Supply Unit / Adapter | 250 W | |
AC Input Power Voltage | 100 V to 240 V AC | |
Power Frequency | 50/60 Hz, Single Phase | |
Power Consumption* |
66.96 W (Access) 29.39 W (HDD Hibernation) |
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British Thermal Unit |
228.63 BTU/hr (Access) 100.35 BTU/hr (HDD Hibernation) |
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Notes |
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Temperature |
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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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Certification |
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Warranty |
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Warranty |
3-year hardware warranty, extendable to 5-year coverage - EW201 | |
Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
Environment |
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Environment |
RoHS Compliant | |
Packaging Content |
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Packaging Content |
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Optional Accessories |
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Optional Accessories |
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Notes |
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DSM Specifications |
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Storage Management |
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Storage Management |
Maximum Internal Volume Number | 64 |
SSD Read / Write Cache (White Paper) | ||
SSD TRIM | ||
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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File Services |
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File Services |
File Protocol | CIFS/AFP/NFS/FTP/WebDAV |
Maximum Concurrent CIFS/AFP/FTP Connections | 1,000 | |
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) | 2,000 | |
Windows Access Control List (ACL) Integration | ||
NFS Kerberos Authentication | ||
Notes |
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Account & Shared Folder |
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Account & Shared Folder |
Maximum Local User Accounts | 2,048 |
Maximum Local Groups | 256 | |
Maximum Shared Folder | 512 | |
Maximum Shared Folder Sync Tasks | 16 | |
High Availability |
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High Availability |
Synology High Availability | |
Log Center |
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Log Center |
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Syslog Events per Second | 800 | |
Virtualization |
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Virtualization |
VMware vSphere 6 with VAAI | |
Windows Server 2016 | ||
Windows Server 2019 | ||
Citrix Ready | ||
OpenStack | ||
General Specifications |
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General Specifications |
Networking Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, 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 | |
Add-on Packages view the complete package list |
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Antivirus by McAfee (Trial) |
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Antivirus by McAfee (Trial) |
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Central Management System |
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Central Management System |
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Synology Chat |
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Synology Chat |
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Maximum Users | 1,500 | |
Notes |
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Cloud Station Server |
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Cloud Station Server |
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Recommended Number of Hosted Files | 1,000,000 | |
Recommended Number of Concurrent Sync Clients | 550 (the number of connections that can be maintained when the recommended number of hosted files was reached) | |
Notes |
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Document Viewer |
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Document Viewer |
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Download Station |
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Download Station |
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Maximum Concurrent Download Tasks | 80 | |
exFAT Access (Optional) |
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exFAT Access (Optional) |
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iSCSI Manager |
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iSCSI Manager |
Maximum iSCSI Target Number | 128 |
Maximum iSCSI LUN | 256 | |
iSCSI LUN Clone/Snapshot, Windows ODX | ||
Synology MailPlus / MailPlus Server |
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Synology MailPlus / MailPlus Server |
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Free Email Accounts | 5 (Licenses required for additional accounts) | |
Maximum Number of Concurrent Users | 150 | |
Maximum Server Performance | 1,484,000 emails per day, approx. 45 GB | |
Notes |
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Media Server |
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Media Server |
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DLNA Compliance | ||
Moments |
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Moments |
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Facial Recognition | ||
Subject Recognition | ||
Auto Color & Rotate | ||
Moments Select | ||
Snapshot Replication |
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Snapshot Replication |
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Maximum Snapshots per Shared Folder | 1,024 | |
Maximum of System Snapshots | 65,536 | |
Surveillance Station |
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Surveillance Station |
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Maximum IP cam (Licenses required) | 40 (including 2 Free License) (See All Supported IP Cameras) | |
Total FPS (H.264) |
1200 FPS @ 720p (1280x720) 960 FPS @ 1080p (1920x1080) 520 FPS @ 3M (2048x1536) 320 FPS @ 5M (2591x1944) 240 FPS @ 4K (3840x2160) |
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Total FPS (H.265) |
1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920x1080) 880 FPS @ 3M (2048x1536) 520 FPS @ 5M (2591x1944) 400 FPS @ 4K (3840x2160) |
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Total FPS (MJPEG) |
560 FPS @ 720p (1280x720) 270 FPS @ 1080p (1920x1080) 190 FPS @ 3M (2048x1536) 110 FPS @ 5M (2591x1944) |
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Notes |
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Synology Drive |
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Synology Drive |
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Recommended Number of Hosted Files | 1,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) | |
Recommended Number of Concurrent Sync Clients | 550 (the number of connections that can be maintained when the recommended number of hosted files was reached) | |
Notes |
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Synology Office |
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Synology Office |
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Maximum Users | 1,800 | |
Notes |
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Video Station |
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Video Station |
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Video Transcoding | Group 1 - Type 1 (See more) | |
Maximum Transcoding Channel Number | 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 | |
Virtual Machine Manager |
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Virtual Machine Manager |
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Recommended Virtual Machine Instances | 4 (Learn more) | |
Recommended Virtual DSM Number (Licenses required) | 4 (including 1 Free License) | |
Notes | The specifications vary depending on system configuration and memory size. | |
VPN Server |
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VPN Server |
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Maximum Connections | 30 |
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.