DiskStation DS1819+

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DiskStation DS1819+

Scalable 8-bay NAS for small- to medium-sized businesses

Features
Specs

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.

Install one M.2 SSD adapter M2D18

Boosting random IOPS with M.2 NVMe/SATA SSD cache
Install one 10GbE add-in card

Breaking through data transmission bandwidth with a certified network interface card
Four built-in Gigabit Ethernet ports

Support for failover and Link Aggregation

Note: M2D18 and 10GbE add-in cards sold separately.

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

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

Analyzes system settings, password strength, network preferences, and removes any possible malware.

AppArmor

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

AES 256-bit encryption

Encrypt shared folders and network data transmission to keep data from unauthorized access.

2-step verification

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

Trust Level

Customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered package files.

Ultimate Backup Solution

DS1819+ integrates various backup applications to safeguard your important data on any device with an intuitive user interface and durable storage technologies.

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

Desktop Backup

Safeguard your PC with Cloud Station Backup. Effortlessly back up data stored on macOS to Synology NAS with Time Machine.
Learn more

Active Backup for
Office 365 / G Suite

On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.
Office 365 G 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.

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High Availability

Ensures seamless service transition between clustered servers in the event of a server failure.

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Public Cloud Integration

Backup and synchronize data easily between your public cloud accounts and your NAS.

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Snapshot Replication

Provides schedulable and instantaneous data protection for shared folders and virtual machines on iSCSI LUNs in the event of disaster.

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Drive

A versatile solution for file management and synchronization.

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Security

Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.

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1 Status indicator
2 Alert indicator
3 Drive status indicator
4 Drive tray lock

5 Power button and indicator
6 LAN indicator
7 USB 3.0 port
8 Fan

9 Power port
10 Kensington Security Slot
11 1GbE RJ-45 port
12 eSATA port

13 PCIe expansion slot
14 Reset button
15 USB 3.0 port

Notes:

Performance figures may vary depending on environment, usage, and configuration.

Hardware Specifications
CPU
CPU Model	Intel Atom C3538
CPU Architecture	64-bit
CPU Frequency	Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory	4 GB DDR4
Memory Module Pre-installed	4 GB (4 GB x 1)
Total Memory Slots	2
Memory Expandable up to	32 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.
Storage
Drive Bays	8
Maximum Drive Bays with Expansion Unit	18
Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
Maximum Internal Raw Capacity	112 TB (14 TB drive x 8) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units	252 TB (112 TB + 14 TB drive x 10) (Capacity may vary by RAID types)
Maximum Single Volume Size	108 TB
Hot Swappable Drive
Notes	"Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more) Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB.
External Ports
RJ-45 1GbE LAN Port	4 (with Link Aggregation / Failover support)
USB 3.0 Port	4
eSATA Port	2
PCIe
PCIe Expansion	1 x Gen3 x8 slot (black, x4 link)
Add-in-card support	PCIe Network Interface Card (Learn more) M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache
File System
Internal Drives	Btrfs EXT4
External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT*
Notes	exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth)	166 mm x 343 mm x 243 mm
Weight	6 kg
Others
System Fan	120 mm x 120 mm x 2 pcs
Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
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	250W
AC Input Power Voltage	100V to 240V AC
Power Frequency	50/60Hz, Single Phase
Power Consumption*	66.96 W (Access) 29.39 W (HDD Hibernation)
British Thermal Unit	228.63 BTU/hr (Access) 100.35 BTU/hr (HDD Hibernation)
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 EAC BSMI VCCI CCC RCM KC
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) Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s). Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number	64
Maximum iSCSI Target Number	128
Maximum iSCSI LUN	256
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache (White Paper)
SSD TRIM
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
Global Hot Spare Supported RAID Type	Synology Hybrid RAID RAID 1 RAID 5 RAID 6 RAID 10
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
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 Manager
Log Center
Syslog Events per Second	800
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2016
Citrix Ready
OpenStack
Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users	1,500
Notes	The number of concurrent HTTP connections for Chat was configured to the maximum. CPU and RAM usage were both under 80% when the number of maximum users was reached. For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Recommended Number of Hosted Files	1,000,000
Recommended Number of Concurrent Sync Clients	1,000 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes	The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing. Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
Download Station
Maximum Concurrent Download Tasks	80
exFAT Access (optional)
MailPlus / MailPlus Server
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	The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users. For tested models with expandable memory, the maximum amount of RAM was installed. Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units 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 Server
DLNA Compliance
Moments
Facial recognition
Subject recognition
Auto Color & Rotate
Moments Select
Snapshot Replication
Maximum Snapshots per Shared Folder	1,024
Maximum of system snapshots	65,536
Surveillance Station
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)
Total FPS (H.265)*	1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920x1080) 880 FPS @ 3M (2048x1536) 520 FPS @ 5M (2591x1944) 400 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*	560 FPS @ 720p (1280x720) 270 FPS @ 1080p (1920x1080) 190 FPS @ 3M (2048x1536) 110 FPS @ 5M (2591x1944)
Notes	Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Synology Drive
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	For tested models with expandable memory, the maximum amount of RAM was installed. Exceeding the limits above may result in longer response time in file operations. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Users	1,800
Notes	Multiple files were opened for testing and each file was edited by 30 users simultaneously. CPU and RAM usage were both under 80% when the number of maximum users was reached. 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 Station
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
Recommended Virtual Machine Instances	4 (Learn more)
Recommended Virtual DSM Number (Licenses required)	4 (including 1 Free License)
Notes	Virtual Machine Manager is not supported on hosts running Synology High Availability. The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections	30
Environment & Packaging
Environment	RoHS Compliant
Packaging Content	Main Unit X 1 Accessory Pack X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1
Optional Accessories	Surveillance Device License Pack D4NESO-2400-4G DDR4 non-ECC SO-DIMM* D4ECSO-2400-16G DDR4 ECC SO-DIMM* Expansion Unit: DX517 X 2 Synology Ethernet Adapter E10G17-F2 Synology Ethernet Adapter E10G18-T1 Synology Ethernet Adapter E10G18-T2 Synology M2D18 M.2 SSD adapter card VS360HD VS960HD
Notes	For more information on memory upgrade limitations, visit here. If multiple memory modules of different frequency are installed in the same system, all memory modules will be operated at the lowest frequency available.
Networking Protocols	CalDAV iSCSI Telnet SSH SNMP VPN (PPTP, OpenVPN, L2TP)
Windows AD Domain Integration	Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
HDD Management	HDD Hibernation S.M.A.R.T. Dynamic Bad Sector Mapping
Security	Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (Customizable cipher suite)
Supported Clients	Windows 7 and 10 Mac OS X 10.11 onward
Supported Browsers	Chrome Firefox Edge Internet Explorer 10 onwards Safari 10 onwards Safari (iOS 10 onwards) Chrome (Android 6.0 onwards)
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