Synology RackStation RS3618xs | 16-Bay 3U Enterprise NAS | Intel Xeon 8-Core, 16GB ECC RAM
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- CPU: 2.1 GHz (Turbo to 2.7 GHz) Intel Xeon.
- RAM: 16GB DDR4 (Error Correction Code) memory.
- Networking: 2 x 10GbE ports and 4 x 1GbE ports included.
- Power: Redundant Power Supply (RP) for 24/7 uptime.
- Expansion: Dual PCIe slots for SSD Cache or faster NICs.
High-Performance Storage for Enterprise Demand The Synology RS3618xs is a 3U rackmount NAS engineered to handle intensive workloads and data-heavy applications. Powered by an Intel Xeon D-1541 8-core processor and 16GB of expandable DDR4 ECC memory, it delivers over 3,900 MB/s sequential throughput to support your most critical business operations.
Whether you are managing massive virtualization environments, 4K video editing workflows, or comprehensive backup solutions, the RS3618xs offers the reliability of redundant power supplies and a 5-year warranty. With 16 native drive bays—expandable up to 40—this unit provides the perfect balance of performance and future-proof scalability.
- Elite Performance: Intel Xeon 8-core CPU with 16 threads for high-concurrency tasks.
- Built-in 10GbE: Dual 10GbE RJ-45 ports for high-speed networking right out of the box.
- Scale as You Grow: Support for up to 40 drives using two RX1217 expansion units.
- Enterprise Reliability: Redundant PSU and Synology’s 5-year hardware warranty.
| Feature | Specification | Why It Matters |
| Processor | Intel Xeon D-1541 (8-Core/16-Thread) | Handles heavy virtualization and high-speed file indexing without bottlenecks. |
| Memory | 16GB DDR4 ECC UDIMM (Max 64GB) | ECC RAM automatically detects and fixes data corruption, essential for enterprise stability. |
| Throughput | Dual 10GbE + Quad 1GbE Ports | Ready for high-speed fiber/copper networks without needing extra cards. |
| Storage Capacity | 16 Bays (Up to 40 with Expansion) | Offers a massive ceiling for data growth; no need to replace the head unit later. |
| PCIe Expansion | 2 x Gen3 x8 slots | Allows for adding M.2 NVMe SSD cache or 25GbE NICs for even faster performance. |
| Form Factor | 3U Rackmount | Better airflow and larger fan surface area compared to 2U units, ensuring cooler long-term operation. |
| Warranty | 5-Year Limited Warranty | Industry-leading protection providing peace of mind for mission-critical hardware. |
| SKU | Synology RS4021xs+ |
|---|---|
| Estimated Shipping Weight | 25.000000 |
| Manufacturer | Synology |
| Estimated Shipping Length | 70 |
| Estimated Shipping Width | 60 |
| Estimated Shipping Height | 20 |