* Supplied as default RAM installed + extra RAM as specified above.
* If we are building a NAS solution for you, the extra RAM will be installed and tested.
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 Service (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 continuity2.Check service availability here.
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.
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 all 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 makes data recovery fast and flexible
Automatic file self-healing detects and recovers corrupted files without user intervention
Ultimate Backup Solution
RS1619xs+ 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.
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.
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
On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.
Office 365 G Suite
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.
Analyzes system settings, password strength, network preferences, and removes any possible malware.
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.
Prevent others from logging in to your DSM by generating a one-time password (OTP) on your mobile device.
Customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered package files.
Powered by Synology DSM
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.
Ensures seamless service transition between clustered servers in the event of a server failure.
Provides schedulable and instantaneous data protection for shared folders and virtual machines on iSCSI LUNs in the event of disaster.
Run various operating systems in isolated sandboxes. Seamlessly clone, restore and migrate virtual machines.
Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.
RS1619xs+ supports one Synology expansion unit RX1217/RX1217RP, sold separately.
Synology guarantees an SRS response within the next business day. Shipping times may vary depending on the availability of replacement units.
Intel Xeon D-1527
Quad Core 2.2 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI)
8 GB DDR4 ECC UDIMM
Memory Module Pre-installed
8 GB (8 GB x 1)
Total Memory Slots
Memory Expandable up to
64 GB (16 GB x 4)
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.
Maximum Drive Bays with Expansion Unit
M.2 Drive Slots
2 (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 Capacity
56 TB (14 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units
224 TB (56 TB + 14 TB drive x 12) (Capacity may vary by RAID types)
Maximum Single Volume Size
200 TB (32GB RAM required, for RAID 5 or RAID 6 groups only)
Hot Swappable Drive
"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.
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.
RJ-45 1GbE LAN Port
4 (with Link Aggregation / Failover support)
USB 3.0 Port
1 x Gen3 x8 slot (x8 link)
PCIe Network Interface Card
exFAT Access is purchased separately in Package Center.
Size (Height x Width x Depth)
44 mm x 480 mm x 518.6 mm
Rack Installation Support
4-post 19" rack (Synology Rail Kit - RKM114/RKS1317)
The rail kit is sold separately.
40 mm x 40 mm x 2 pcs
Fan Speed Mode
Easy Replacement System Fan
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter
2 X 150W
AC Input Power Voltage
100V to 240V AC
50/60 Hz, Single Phase
68.68 W (Access)
34.78 W (HDD Hibernation)
British Thermal Unit
234.35 BTU/hr (Access)
118.67 BTU/hr (HDD Hibernation)
Redundant Power Supply (for xs+ and RP model)
5°C to 35°C (40°F to 95°F)
-20°C to 60°C (-5°F to 140°F)
5% to 95% RH
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 )
Maximum Internal Volume Number
Maximum iSCSI Target Number
Maximum iSCSI LUN
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache (White Paper)
Supported RAID Type
Basic to RAID 1
Basic to RAID 5
RAID 1 to RAID 5
RAID 5 to RAID 6
Volume Expansion with Larger HDDs
Volume Expansion by Adding a HDD
RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)
Maximum Concurrent CIFS/AFP/FTP Connections
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Account & Shared Folder
Maximum Local User Accounts
Maximum Local Groups
Maximum Shared Folder
Maximum Shared Folder Sync Tasks
High Availability Manager
Syslog Events per Second
VMware vSphere 6 with VAAI
Windows Server 2016
Add-on Packages (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)
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.
Recommended Number of Hosted Files
3,000,000 (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 Clients
1,800 (the number of connections that can be maintained when the recommended number of hosted files was reached)
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.
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
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
Recommended Virtual DSM Number(Licenses required)
8 (including 1 Free License)
Virtual Machine Manager is not supported on hosts running Synology High Availability.
The specifications vary depending on system configuration and memory size.
Environment & Packaging
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 2
Quick Installation Guide X 1
Surveillance Device License Pack
RAMEC2133DDR4-8G DDR4 ECC UDIMM
RAMEC2133DDR4-16G DDR4 ECC UDIMM
Expansion Unit: RX1217/RX1217RP X 1
Synology Rail Kit Sliding - RKS1317
Synology Rail Kit Mounted - RKM114
Synology Ethernet Adapter E10G18-T1
Synology Ethernet Adapter E10G18-T2
Synology Ethernet Adapter E10G17-F2
| Stock code || IBSY-R1619XP-16C|
| Brand || Synology|
| Series || RackStation NAS|
| Model || RS1619xs+ (16GB)|
| Type || 4-Bay 1U, 2x PSU (16GB non-Synology RAM Kit) (no RAIL KIT)|
| ROHS || Y|
| Date added || 17/05/2019|
RS1619xs+ (16GB) Spec Information
| Form Factor / Drive Height || 480x519x44mm|
| Platter size || 3.5"|
| Platter (alternate) || 2.5"|
| RAM/Cache || 16GB|
| Guarantee || 5yr|
| Processor || Intel Xeon D-1527 Quad Core 2.2 GHz (2.7 GHz turbo)|
| CPU Mark (cpubenchmark.net) || ? 8000|
| Redundant PSU ? || |
| Total Drives || 4|
| Total Drives (alternate) || 4|
| RAID || 0:1:5:6:|
| RAID Levels || Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10|
| Rack size || 1|
RS1619xs+ (16GB) Spec Connections
|SATA||SATA 7-pin Discrete with Power||Internal||4|
|USB3||USB3 type A (host)||External||2|
|PCIe||PCIe v3 x8||External||1|
RS1619xs+ (16GB) Speed
| Speed/RPM || 6Gb/s SATA to Gigabit Ethernet (1,000 Mbit/s)|
| Weight (kg) || 13kg|
| Weight (bare) || 7.63kg|
| Watts || 68.68W|
| Colour || Black|
Synology RackStation NAS RS2418+ (64GB ECC) 12-Bay 2U (64GB non-Synology ECC RAM Kit) (no RAIL KIT) |
Synology RackStation NAS RS1619xs+ (64GB) 4-Bay 1U, 2x PSU (64GB non-Synology RAM Kit) (no RAIL KIT) |
Synology RackStation NAS RS1619xs+ (64GB ECC) 4-Bay 1U, 2x PSU (64GB non-Synology ECC RAM Kit) (no RAIL KIT) |
Synology RackStation NAS RS2418RP+ (64GB) 12-Bay 2U, 2x PSU (64GB non-Synology RAM Kit) (no RAIL KIT) |
Synology RackStation NAS RS2418+ (32GB ECC) 12-Bay 2U (32GB Synology ECC RAM Kit) (no RAIL KIT) |
Why People Choose Us?
14 Day Return Guarantee
If you change your mind, you can return all or part of your order.
Next Day Delivery
Order before 4pm*, and in-stock products will be with you the next day. (Or Saturday. Or even Same Day).
Wherever you are in the world, we can get your order to you at high speed.
SpanStor Build & Test
Our free service helps you choose the right NAS and Drives, then makes sure it is built & ready to use as soon as you get it.
Professional Live Support
We are here to assist you - before, during and after your purchase, by phone, email or live chat.