Fast storage with outstanding computing powerRS1619xs+ 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.Variable options to boost system computing performanceEquipped 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 supportDual M.2 2280 slots supporting NVMe/SATA SSDs10GbE/25GbE supportoptional high-speed network capacity for bandwidth-intensive environmentsComplete iSCSI and virtualization solutionsSynology iSCSI storage supports most virtualization solutions such as VMware vSphere, Microsoft Hyper-V, Citrix Xen Server, and OpenStack Cinder to enhance work efficiency. You can run and manage multiple virtual machines on Windows, Linux, or DSM using Virtual Machine Manager.Next-generation file system for better data protectionThe 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 interventionUltimate Backup SolutionRS1619xs+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.Active Backup for BusinessCentralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.Hyper BackupComprehensively 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.Drive PackageSafeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.Active Backup for Microsoft 365 / G SuiteProtect 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 protectionPowered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes.Security AdvisorAnalyze system settings, password strength and network preferences, and remove any possible malware.AppArmorA kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.AES 256-bit encryptionEncrypt shared folders and network data transmission to avoid unauthorized data access.2-step verificationPrevent others from logging in to your DSM by generating a six-digit one-time password (OTP) on your mobile device.Powered by Synology DSMDSM UIAward-winning operating system with an intuitive user interface and powerful capabilities.Public Cloud IntegrationBackup and synchronize data easily between your public cloud accounts and your NAS.Synology High AvailabilitySeamless transition between clustered servers in the event of a server failure to minimize the impact on applications.Snapshot ReplicationSchedulable and instantaneous data protection of shared folders and iSCSI LUNs for quick disaster recovery.Virtual Machine ManagerRun various operating systems in isolated sandboxes. Seamlessly clone, restore and migrate virtual machines.SecurityComprehensive built-in security tools are constantly updated to protect your devices against evolving threats.
Storage | |
Storage drives installed: | ![]() |
Total installed storage capacity: | 48 TB |
Number of storage drives installed: | 4 |
Number of storage drives supported: | 4 |
Installed storage drive type: | HDD |
Supported storage drive types: | HDD & SSD |
Storage drive capacity: | 12000 GB |
Storage drive interface: | Serial ATA III |
RAID support: | ![]() |
Supported storage drive interfaces: | Serial ATA, Serial ATA II, Serial ATA III |
Storage drive size: | 3.5" |
Storage drive sizes supported: | 2.5,3.5" |
HDD speed: | 7200 RPM |
RAID levels: | 0, 1, 5, 6, 10, JBOD |
Hot-swap drive bays: | ![]() |
Supported file systems: | BTRFS, Fat, HFS+, NTFS, ext3, ext4 |
Processor | |
Processor family: | Intel® Xeon® D |
Processor manufacturer: | Intel |
Processor model: | D-1521 |
Processor frequency: | 2.2 GHz |
Processor boost frequency: | 2.7 GHz |
Processor cores: | 4 |
Processor threads: | 8 |
Processor cache: | 6 MB |
CPU configuration (max): | 1 |
Conflict-Free processor: | ![]() |
Memory | |
Internal memory: | 8 GB |
Internal memory type: | DDR4 |
Maximum RAM supported: | 64 GB |
Network | |
Ethernet LAN: | ![]() |
Ethernet LAN data rates: | 10,100,1000 Mbit/s |
iSCSI support: | ![]() |
Wake-on-LAN ready: | ![]() |
Ports & interfaces | |
Ethernet LAN (RJ-45) ports: | 4 |
USB port: | ![]() |
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: | 2 |
PCI Express x8 (Gen 3.x) slots: | 1 |
Design | |
Chassis type: | Rack (1U) |
Cooling type: | Active |
Product colour: | Black |
Number of fans: | 2 fan(s) |
Fan diameter: | 4 cm |
LED indicators: | ![]() |
Performance | |
Type: | NAS |
Device class: | Small & Medium Business |
Backup function: | ![]() |
Backup features: | Cloud, iSCSI LUN |
Multilingual support: | ![]() |
Web-based management: | ![]() |
Security algorithms: | HTTPS, SSH, SSL/TLS |
Access Control List (ACL): | ![]() |
Reset button: | ![]() |
On/off switch: | ![]() |
S.M.A.R.T. support: | ![]() |
Software | |
Operating system installed: | DiskStation Manager |
Windows operating systems supported: | ![]() |
Mac operating systems supported: | ![]() |
Power | |
Power supply location: | Built-in |
Power supply unit (PSU) capacity: | 150 W |
AC input voltage: | 100 - 240 V |
AC input frequency: | 50 - 60 Hz |
Weight & dimensions | |
Width: | 480 mm |
Depth: | 518.6 mm |
Height: | 44 mm |
Packaging content | |
Cables included: | AC |
Power cables quantity: | 1 |
Technical details | |
Sustainability compliance: | ![]() |
Sustainability certificates: | RoHS |
Processor special features | |
Embedded options available: | ![]() |
Enhanced Intel SpeedStep Technology: | ![]() |
Execute Disable Bit: | ![]() |
Idle States: | ![]() |
Intel 64: | ![]() |
Intel Enhanced Halt State: | ![]() |
Intel Secure Key Technology version: | 1.00 |
Intel Trusted Execution Technology: | ![]() |
Intel TSX-NI: | ![]() |
Intel TSX-NI version: | 1.00 |
Intel Virtualization Technology (VT-x): | ![]() |
Intel Virtualization Technology for Directed I/O (VT-d): | ![]() |
Intel VT-x with Extended Page Tables (EPT): | ![]() |
Operational conditions | |
Operating temperature (T-T): | 5 - 35 °C |
Operating relative humidity (H-H): | 5 - 95% |
Storage temperature (T-T): | -20 - 60 °C |
Storage relative humidity (H-H): | 5 - 95% |
Operating altitude: | 0 - 5000 m |