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 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. 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 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
Learn more about the benefits of using Btrfs

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.
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
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.

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.


Powered by Synology DSM

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.


Notes:
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.



Hardware Specifications CPU CPU Model Intel Xeon D-1527 CPU Architecture 64-bit CPU Frequency Quad Core 2.2 (base) / 2.7 (turbo) GHz Hardware Encryption Engine (AES-NI)   Memory System Memory 8 GB DDR4 ECC UDIMM Memory Module Pre-installed 8 GB (8 GB x 1) Total Memory Slots 4 Memory Expandable up to 64 GB (16 GB x 4) 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. Storage Drive Bays 4 Maximum Drive Bays with Expansion Unit 16 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) 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.  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 Port 4 (with Link Aggregation / Failover support) USB 3.0 Port 2 Expansion Port 1 PCIe PCIe Expansion 1 x Gen3 x8 slot (x8 link) Add-in-card support PCIe Network Interface Card  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) 44 mm x 480 mm x 518.6 mm  Weight 8.16 kg  Rack Installation Support 4-post 19" rack (Synology Rail Kit - RKM114/RKS1317) Notes The rail kit is sold separately. Others System Fan 40 mm x 40 mm x 2 pcs Fan Speed Mode Full-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 / Adapter 2 X 150W  AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption* 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)   Environment Temperature Operating Temperature 5°C to 35°C (40°F to 95°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Certification FCC CE BSMI EAC VCCI CCC RCM KC Warranty 5 Years Notes 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 1,024 Maximum iSCSI Target Number 256 Maximum iSCSI LUN 512 iSCSI LUN Clone/Snapshot, Windows ODX   SSD Read/Write Cache (White Paper)   SSD TRIM   RAID Group   Supported RAID Type RAID F1 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 RAID F1 RAID 1 RAID 5 RAID 6 RAID 10 Volume Expansion by Adding a HDD RAID F1 JBOD RAID 5 RAID 6 (with Expansion Unit) Global Hot Spare Supported RAID Type RAID F1 RAID 1 RAID 5 RAID 6 (with Expansion Unit) RAID 10 (with Expansion Unit) File Services File Protocol CIFS/AFP/NFS/FTP/WebDAV Maximum Concurrent CIFS/AFP/FTP Connections 2,000 Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 10,000 Windows Access Control List (ACL) Integration   NFS Kerberos Authentication   Account & Shared Folder Maximum Local User Accounts 16,000 Maximum Local Groups 512 Maximum Shared Folder 512 Maximum Shared Folder Sync Tasks 32 High Availability Manager   Log Center   Syslog Events per Second 3,000 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 4,000 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   Maximum Number of Concurrently Connected Devices 2,000 Maximum Number of Concurrently Connected Devices (with RAM expansion) 10,000 Maximum Number of Hosted Files (btrfs) 1,000,000 Maximum Number of Hosted Files (ext4) 1,000,000 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 Up to 450 Maximum Server Performance 3,363,000 emails per day, approx. 102.6 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   PetaSpace   Snapshot Replication   Maximum Snapshots per Shared Folder 1024 Maximum of system snapshots 65536 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) 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 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) 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 2,900 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 8  Recommended Virtual DSM Number(Licenses required) 8 (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 40 Environment & Packaging Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Cord X 2 Quick Installation Guide X 1 Optional Accessories Surveillance Device License Pack RAMEC2133DDR4-8G DDR4 ECC UDIMM RAMEC2133DDR4-16G DDR4 ECC UDIMM Expansion Unit: RX1217/RX1217RP X 1 VS360HD VS960HD 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