Synology RackStation RS3618xs | 16-Bay 3U Enterprise NAS | Intel Xeon 8-Core, 16GB ECC RAM
When Will I Get My Order?
Delivery timelines depend on what you purchase, your delivery location, and when your payment reflects. For the most accurate estimate, always check the Estimated Delivery Date shown during checkout.
Delivery Timeframes (Road Freight – Nationwide)
| Delivery Destination | Estimated Delivery Time |
|---|---|
| Gauteng (All Areas) | 1–3 working days |
| Western Cape | 2–4 working days |
| KwaZulu-Natal | 2–4 working days |
| Eastern Cape | 2–4 working days |
| Other Provinces | 2–5 working days |
| Regional Areas | 3–6 working days |
| Remote / Outlying Areas | 4–7 working days |
Regional Areas: Locations not serviced by daily courier routes or outside major hubs.
Remote Areas: Rural towns, farms, small settlements, mines, and low-frequency delivery zones.
How We Deliver
| Method | Description |
|---|---|
| Courier Delivery | Door-to-door delivery anywhere in South Africa using our BOBGO courier partners. |
| Volumetric Shipping | Shipping fees are calculated based on volumetric weight and courier tariff zones. |
| Payment Clearance | Orders are dispatched once payment reflects in our account. |
| Stock Availability | If an item requires additional lead time, we will notify you. |
Secure Delivery – OTP System
| Feature | Details |
|---|---|
| One-Time PIN (OTP) | Only the person with the OTP can receive the parcel. |
| Delivery Notifications | Notifications are sent when the parcel is out for delivery. |
| Authorised Receiver | You may share the OTP with someone you trust to accept the delivery on your behalf. |
Collection Options
| Collection Type | Details |
|---|---|
| Standard Collection | You will receive a Ready for Collection email. Processing time: 1–2 working days. |
| International Collections | Available for pre-arranged international orders. Collection details are provided after payment clears. |
International Orders & VAT
| Information | Details |
|---|---|
| Export Status | Server Warehouse does not hold an export code; VAT is charged on all orders. |
| VAT Refund | International customers may apply for VAT refunds via the official VAT Refund Agency after export. |
Product information, availability, and pricing are updated regularly, but supplier data may change without notice.
Some items are updated manually and may differ from the displayed status or price at the time of enquiry or checkout.
All prices and stock are confirmed with suppliers prior to acceptance or invoicing, in accordance with the Consumer Protection Act (Sections 23–25).
- 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 |