RS1619xs+

RackStation RS1619xs+

1U rackmount flagship aims for file collaboration and high-performance computation

Fast storage with outstanding computing power

RS1619xs+ is a high-performance and scalable 1U rackmount NAS designed with upgradable memory and M.2 SSD cache configuration to meet the needs of modern businesses that require a flexible, reliable, and efficient storage solution.

CPU
Quad-core up to 2.7GHz

RAM options
8GB DDR4 UDIMM, up to 64GB

High Performance
1,523 MB/s sequential reading, 162,097 iSCSI random read IOPS

Scalability
Up to 16 drives with one RX1217/RX1217RP1

Variable options to boost system computing performance

Equipped with a PCIe 3.0 slot, RS1619xs+ supports installing a 10GbE/25GbE NIC for fast data transmission. Built-in M.2 2280 SSD cache slots further benefit IO-intensive tasks, such as virtualization or mail server deployment.

M.2 SSD support

Dual M.2 2280 slots supporting NVMe/SATA SSDs

10GbE/25GbE support

optional high-speed network capacity for bandwidth-intensive environments

5 Year Warranty

Synology’s 5-year limited warranty provides hardware replacement and technical support via email and telephone services, maximizing your enterprises’ return on investment.

Synology Replacement Services(SRS)

SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity.

Complete iSCSI and virtualization solutions

Synology iSCSI storage supports most virtualization solutions including VMware vSphere, Microsoft Hyper-V, Citrix Xen Server, and OpenStack Cinder, to enhance work efficiency. Create and manage virtual machines running multiple operating systems such as Windows, Linux, and DSM using Virtual Machine Manager. Learn more

Next-generation file system for better data protection

The Btrfs file system introduces advanced storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools.

Flexible Shared Folder / User Quota System provides comprehensive quota control on user accounts and shared folders

Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots

 
File- or folder-level data restoration accelerates data recovery, providing more flexibility for businesses

 
Automatic file self-healing detects and recovers corrupted files without user intervention

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

An agentless backup solution protects data from Windows and Linux servers through SMB and Rsync to minimize deployment and management costs.

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.

Desktop Backup

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

Active Backup for Office 365/ G Suite

Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

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.

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.

DSM UI

Award-winning operating system with an intuitive user interface and powerful capabilities.

Public Cloud Integration

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

High Availability

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

Snapshot Replication

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

VMM

Run various operating systems in isolated sandboxes. Seamlessly clone, restore and migrate virtual machines.

Security

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

Hardware Specifications 
CPU
CPU ModelIntel Xeon D-1527
CPU Architecture64-bit
CPU FrequencyQuad Core 2.2 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory8 GB DDR4 ECC UDIMM
Memory Module Pre-installed8GB (1 x 8GB)
Total Memory Slots4
Memory Expandable up to64 GB (16 GB x 4)
Storage
Drive Bays4
Maximum Drive Bays with Expansion Unit16
M.2 Drive Slots2 (NVMe & SATA)
Compatible Drive Type* (See all supported drives)3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
M.2 2280 NVMe & SATA SSD
Maximum Internal Raw Capacity56 TB (14 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units224 TB (56 TB + 14 TB drive x 12) (Capacity may vary by RAID types)
Maximum Single Volume Size200 TB (32GB RAM required, for RAID 5 or RAID 6 groups only)
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 or 200TB if upgraded to 32GB RAM or more.
External Ports
RJ-45 1GbE LAN Port4 (with Link Aggregation / Failover support)
USB 3.0 Port2
Expansion Port1
PCIe
PCIe Expansion1 x Gen3 x8 slot (x8 link)
Add-in-card supportPCIe Network Interface Card (Learn more)
File System
Internal DrivesBtrfs
EXT4
External DrivesBtrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT*
NotesexFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth)44 mm x 480 mm x 518.6 mm 
Weight8.16 kg 
Others
System Fan40 mm x 40 mm x 2 pcs
Fan Speed ModeFull-Speed Mode
Cool Mode
Quiet Mode
Easy Replacement System Fan
Power Recovery
Noise Level*39.3 dB(A) 
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter2 X 150W 
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*68.68 W (Access) 
34.78 W (HDD Hibernation) 
British Thermal Unit234.35 BTU/hr (Access) 
118.67 BTU/hr (HDD Hibernation) 
Redundant Power Supply (for xs+ and RP model)
Environment Temperature
Operating Temperature5°C to 35°C (40°F to 95°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
CertificationEAC
VCCI
CCC
RCM
KC
FCC
CE
BSMI
Warranty5 Years
NotesPower 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 Number1024
Maximum iSCSI Target Number256
Maximum iSCSI LUN512
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache (White Paper)
SSD TRIM
RAID Group
Supported RAID TypeRAID F1
Basic
JBOD
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10
RAID MigrationBasic to RAID 1
Basic to RAID 5
RAID 1 to RAID 5
RAID 5 to RAID 6
Volume Expansion with Larger HDDsRAID F1
RAID 1
RAID 5
RAID 6
Volume Expansion by Adding a HDDRAID F1
RAID 5
RAID 6
JBOD
Global Hot Spare Supported RAID TypeRAID F1
RAID 1
RAID 5
RAID 6
RAID 10
File Services
File ProtocolCIFS/AFP/NFS/FTP/WebDAV
Maximum Concurrent CIFS/AFP/FTP Connections2000
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)10000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Account & Shared Folder
Maximum Local User Accounts16000
Maximum Local Groups512
Maximum Shared Folder512
Maximum Shared Folder Sync Tasks32
High Availability Manager
Log Center
Syslog Events per Second3000
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 Users4000
NotesThe 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
Maximum Number of Concurrently Connected Devices2000
Maximum Number of Concurrently Connected Devices (with RAM expansion)10000
NotesThe 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 Tasks80
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts5 (Licenses required for additional accounts)
Maximum number of concurrent usersUp to 450
Maximum Server Performance3,363,000 emails per day, approx. 102.6 GB
NotesThe 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
PetaSpace
Snapshot Replication
Maximum Snapshots per Shared Folder1024
Maximum of system snapshots65536
Surveillance Station
Maximum IP cam (Licenses required)75 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)*2250 FPS @ 720p (1280x720) 
1050 FPS @ 1080p (1920×1080) 
600 FPS @ 3M (2048x1536) 
500 FPS @ 5M (2591x1944) 
500 FPS @ 4K (3840x2160)
Total FPS (H.265)*2250 FPS @ 720p (1280x720) 
2250 FPS @ 1080p (1920×1080) 
2250 FPS @ 3M (2048x1536) 
1875 FPS @ 5M (2591x1944) 
975 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*900 FPS @ 720p (1280x720) 
450 FPS @ 1080p (1920×1080) 
280 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944)
NotesSurveillance 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 Files3,000,000 (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 Connections for PC Clients1,800 (the number of connections that can be maintained when the recommended number of hosted files was reached)
NotesFor 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 Users2900
NotesMultiple 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 TranscodingGroup 1 - Type 1 (See more)
Maximum Transcoding Channel Number1 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 Instances8 (Learn more)
Recommended Virtual DSM Number(Licenses required)8 (including 1 Free License)
NotesVirtual Machine Manager is not supported on hosts running Synology High Availability. 
The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections40
Environment & Packaging
EnvironmentRoHS Compliant
Packaging ContentMain Unit X 1
Accessory Pack X 1
AC Power Cord X 2
Quick Installation Guide X 1
Optional AccessoriesSurveillance Device License Pack
RAMEC2133DDR4-8G DDR4 ECC UDIMM
RAMEC2133DDR4-16G DDR4 ECC UDIMM
Expansion Unit: RX1217/RX1217RP X 1
VS360HD
VS960HD
Synology RKS1317 - Rail Kit Sliding
Synology RKM114 - Rail Kit Mounted
Synology Ethernet Adapter E10G18-T1
Synology Ethernet Adapter E10G18-T2
Synology Ethernet Adapter E10G17-F2