Meet the 12-bay desktop NAS that allows instant deployment with scalability up to 36 drives, delivering outstanding 2,358MB/s sequential throughput reading. DS3617xs is certified for VMware, Citrix, Hyper-V, and OpenStack, ready to bring superior agility and efficiency to businesses. **High-performance NAS server for RAM-intensive applications** Equipped with an Intel Xeon-D quad-core processor, DS3617xs delivers stunning performance with over 2,358 MB/s reading under a RAID 5 configuration with optional 10GbE and Link Aggregation enabled. Initially equipped with 16GB DDR4 ECC RAM (upgradable to 48GB), it ensures data accuracy when handling high-value data and mission-critical tasks. **Scale on demand** DS3617xs can be connected to one or two dedicated DX1215 expansion units, allowing you to expand storage capacity to up to 36 drives without disrupting service. The high-bandwidth cable ensures instant and lossless connections between the main server and the expansion units. **10GbE upgradability** In addition to the four built-in Gigabit ports, DS3617xs comes with a PCIe 3.0 x8 slot to support an optional 10GbE Network Interface Card (NIC), maximizing bandwidth and meeting high performance requirements for data-intensive applications. **Reliable redundancy mechanisms** DS3617xs comes with comprehensive redundancy mechanisms to ensure business continuity. Built-in four LAN ports with failover provides reliable redundancy in the event of unexpected network failure. The high reliability system design, including fanless CPU heat-sink and passive cooling technologies, prevents a single point of failure. **5 year warranty** Synology DS3617xs is backed with Synology\'s 5-year limited warranty. With technical support and hardware replacement service, the 5-year warranty maximizes your enterprises\' return on investment. **Synology Replacement Service (SRS)** The Synology Replacement Service (SRS) provides free shipment of replacement units