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RS819
Synology RackStation RS819 NAS/storage server Rack (1U) Ethe...
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RS819 is a NAS storage system featuring 8 drive bays that support Mixed drive types—encompassing SATA HDD, SAS HDD, SATA SSD, and NVMe SSD—to deliver a total storage capacity of up to 512 TB with RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 configurations. It is powered by an Intel Xeon 8-core processor with 16 GB pre-installed RAM, expandable up to 64 GB.
RS819 offers connectivity via USB 3.0 and Ethernet 10GbE alongside expansion support, a redundant power supply rated at 350W, and active cooling implemented with redundant fans. Designed for demanding environments, its use cases include SMB backup, enterprise data centers, virtualization, and media server deployments.
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To get the detailed certification, please go to the Compliance Center.
| RS819 |  DS1821+ |  FS6400 |  RS820RP+ |  NVR1218 | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | SAN | NAS | NAS |
| Form Factor | Rackmount | Desktop | Rackmount | Rackmount | Rackmount |
| Bay Count | 8-bay | 8-bay | 12-bay | 8-bay | 12-bay |
| Supported Drive Types | Mixed | SATA HDD / SATA SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 192 TB | 1 PB | 256 TB | 1 PB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| CPU Type | Intel Xeon | AMD Ryzen | Intel Xeon | Intel Atom | Intel Xeon |
| CPU Cores | 8 | 4 | 8 | 4 | 8 |
| Installed RAM | 16 GB | 4 GB | 16 GB | 8 GB | 16 GB |
| Max RAM Capacity | 64 GB | 32 GB | 64 GB | 32 GB | 64 GB |
| RAM Type | ECC DDR4 | DDR4 | ECC DDR4 | DDR3 | ECC DDR4 |
| Network Ports | 10GbE | 1GbE | 10GbE | 1GbE | 10GbE |
| LAN Ports | 2 | 4 | 2 | 2 | 2 |
| USB Ports | USB 3.0 | USB 3.2 | USB 3.2 | USB 3.0 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Active | Redundant Fan | Redundant Fan | Active |
| Power Supply | Redundant | Single | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 250W | 500W | 350W | 350W |
| Operating System | Custom OS | QTS | Custom OS | QTS | Custom OS |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | Yes | Yes | Yes | Yes | No |
| Use Case | Enterprise Data Center | SMB | SMB Backup / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center | SMB / Enterprise Data Center / Media Server / Virtualization |
| Product Name | RS819 Enterprise NAS | DS1821+ | FS6400 Unified Storage System | RS820RP+ | NVR1218 |
| Height | 3.5 inches | 9.8 inches | 3 inches | 3.5 inches | 2.2 inches |
| Width | 17 inches | 17.5 inches | 17 inches | 17.5 inches | 17.5 inches |
| Depth | 25 inches | 10.2 inches | 28 inches | 28.7 inches | 24 inches |
| Weight | 35 lbs | 21.6 lbs | 45 lbs | 32 lbs | 35 lbs |
Compact 1U rackmount NAS with reliable performance. Ideal for small office networking and file management tasks.
Steady throughput and easy setup. This RackStation offers a professional way to manage our office data efficiently.
Exceptional value and solid build. Provides reliable uptime and easy access for our localized network storage.
Robust performance in a shallow rack design. It handles our daily backups with professional-grade stability always.
Trustworthy storage solution for space-constrained racks. It delivers consistent speed and easy management for our team.
Great reliability and efficient operation. Perfect for businesses needing dependable rackmount storage on a budget.
Compact 1U rackmount NAS that offers reliable performance. It is ideal for our small office networking and file management.
Steady throughput and simple configuration. This RackStation provides a professional and efficient way to manage our office data daily.
Exceptional value and solid build quality. It provides reliable uptime and easy access for our localized office network storage.
Robust performance in a shallow rack design. It handles our daily backup schedules with professional-grade stability and zero issues.
Trustworthy storage for space-constrained racks. It delivers consistent speed and easy management for our professional team and data.
The Synology RackStation RS819 is a 1U rackmount NAS featuring a quad-core RTD1296 CPU, four drive bays, and advanced storage services for small and medium businesses.
The RS819 is powered by a Realtek RTD1296 quad-core 1.4 GHz CPU with hardware encryption engine for secure, high-performance data handling.
The RS819 ships with 2 GB DDR4 ECC memory and supports expansion up to 18 GB (2 GB onboard + 16 GB via SO-DIMM slot) for intensive workloads.
The RS819 includes four hot-swappable 3.5″/2.5″ SATA drive bays compatible with HDDs or SSDs for flexible storage configurations.
Yes. The RS819 supports Synology RX418 expansion units, allowing up to 16 total drive bays when daisy-chained for increased raw capacity.
Equipped with two Gigabit Ethernet ports supporting Link Aggregation and failover, the RS819 delivers up to 224 MB/s read and 222 MB/s write performance.
The RS819 supports RAID 0, 1, 5, 6, 10, Basic, JBOD, and Synology Hybrid RAID (SHR) for optimized data protection and storage efficiency.
With four 16 TB drives, the RS819 offers up to 64 TB raw capacity, expandable further with up to three RX418 units for a total of 256 TB raw capacity.
Yes. The RS819 is certified for VMware, Citrix, Hyper-V, and OpenStack, enabling seamless integration into virtualized data centers.
Synology Hyper Backup, Snapshot Replication, Cloud Sync, and Active Backup Suite offer multi-version backups, global deduplication, and rapid recovery for business continuity.
The RS819 runs DiskStation Manager (DSM), a browser-based OS providing intuitive storage management, advanced networking, and comprehensive app support.
Features include AES-NI hardware encryption, Secure Boot, TPM support, encrypted folders, antivirus, firewall, and 2-step verification to safeguard data.
Under typical load, the RS819 consumes 36 W and operates at 19.2 dBA in access mode, making it energy-efficient and quiet for rack environments.
The RS819 measures 442 × 43 × 485 mm (WxHxD) and weighs approximately 5.2 kg, fitting standard 19″ racks in a 1U form factor.
Install drives, mount the unit in a rack, connect network/power, then use Synology Assistant or go to find.synology.com to complete DSM setup within minutes.
Synology offers a two-year limited warranty for the RS819, with optional extended coverage and 24/7 technical support through Synology’s global service network.
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