Synology Expansion Unit RX418; 4-bay 1U rackmount expansion unit for 1U RackStation

Synology RX418 4-Bay Rackmount Expansion Unit – 1U, eSATA, Compatible with 1U RackStations | PCBoost Synology RX418 4-Bay Rackmount Expansion Unit – Storage Capacity Enhancement Expand your Synology 1U RackStation storage capacity with the Synology RX418 4-Bay Rackmount Expansion Unit. This compact 1U expansion unit seamlessly adds four 3.5"/2.5" SATA drive bays to your existing RackStation, providing plug-and-play storage expansion with hot-swappable drives managed directly through DSM. Perfect for growing businesses requiring additional storage capacity or dedicated local backup destinations. 3-Year Warranty (Extendable to 5 Years) Key Expansion Specifications Drive Bays 4 3.5"/2.5" SATA hot-swap Connection eSATA Single cable connection Form Factor 1U Compact rackmount Noise Level 25.1 dB(A) Ultra-quiet operation Storage Expansion Made Simple The RX418 transforms storage expansion from a complex process into a simple plug-and-play operation, seamlessly integrating with your existing Synology infrastructure. Plug-and-Play Design Simply connect via eSATA cable and the expansion unit is immediately recognized and managed through DSM with no additional software required. Hot-Swappable Drives Replace or upgrade drives without powering down the system, ensuring continuous operation for business-critical applications. DSM Integration Drives operate as though they were internal to the connected NAS, with full DSM management including RAID configuration and monitoring. Energy Efficient Drive hibernation and power synchronization with the main NAS reduces energy consumption and extends drive lifespan. Comprehensive RackStation Compatibility The RX418 supports a wide range of Synology 1U RackStation models across multiple generations, ensuring compatibility with your existing infrastructure. Volume Creation Across Units 22 Series: RS822RP , RS822 21 Series: RS1221RP , RS1221 20 Series: RS820RP , RS820 19 Series: RS1219 , RS819 18 Series: RS818RP , RS818 16 Series: RS816 15 Series: RS815RP , RS815 , RS815 Single Unit Volumes Only 17 Series: RS217 Note: RS217 supports the RX418 but cannot create volumes spanning across units. Enterprise-Grade Features Seamless DSM Integration Experience transparent storage expansion with complete DSM integration allowing drives to operate as internal components. The RX418 appears seamlessly within the DSM interface, supporting all standard storage management features including RAID configuration, volume management, and drive health monitoring without requiring additional software installation. Flexible Storage Options Support for both 3.5" SATA HDDs and 2.5" SATA SSDs provides maximum flexibility for different storage requirements. Whether expanding capacity with high-capacity HDDs or improving performance with SSDs, the RX418 accommodates various storage strategies including dedicated backup destinations and performance tiers. Intelligent Power Management Advanced power management features include automatic synchronization with the connected RackStation and configurable drive hibernation to reduce energy consumption during periods of inactivity. This intelligent approach extends drive lifespan while minimizing operational costs in enterprise environments. Reliable Hardware Design Built for 24/7 operation with triple 40mm cooling fans ensuring optimal operating temperatures and ultra-quiet operation at just 25.1 dB(A). The robust 1U chassis supports both 2-post and 4-post rack mounting configurations, providing deployment flexibility in various data center environments. Complete Hardware Specifications Storage Configuration Storage Specification Details Drive Bays 4 Drive Type Support 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD Hot Swappable Drive ✓ Supported RAID Management Through Synology DSM Drive Compatibility Synology drives recommended for full functionality and warranty coverage Connectivity & Interface Interface Specification Details eSATA Port 1 Connection Type Single eSATA cable to RackStation DSM Integration Plug-and-play recognition, no additional software required Physical Specifications Physical Specification Details Form Factor 1U Rackmount Size (H x W x D) 44 mm x 430.5 mm x 290 mm Size with Server Ears 44 mm x 480 mm x 325 mm Weight 4.28 kg Rack Installation Support 4-post 19" rack (RKM114/RKS-02), 2-post 19" rack (direct mounting) - rail kit sold separately Power & Environmental System Specification Details Power Supply Unit 100 W Power Recovery Synchronized with Synology RackStation AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 23.26 W (Access) / 6.39 W (HDD Hibernation) British Thermal Unit 79.42 BTU/hr (Access) / 21.82 BTU/hr (HDD Hibernation) Operating Temperature 5°C to 35°C (40°F to 95°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Cooling & Noise Cooling Specification Details System Fan 40 mm x 40 mm x 3 pcs Noise Level 25.1 dB(A) Noise Testing Conditions Tested with Seagate 1TB drives in idle state, 1m measurement distance Certification & Warranty Certification Details Safety Certifications FCC, CE, BSMI, EAC, VCCI, RCM, KC, BIS Environmental Compliance RoHS Compliant Warranty 3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus Package Contents & Optional Accessories Item Category Details Package Contents Main Unit, User's Guide, Accessory Pack, AC Power Cord, eSATA Expansion Cable Compatible Storage HAT5300 Series HDD (Enterprise), HAT3300 Series HDD (Plus), SAT5200 Series SSD (Enterprise) Mounting Hardware RKS-02 Rail Kit Sliding, RKM114 Rail Kit Mounted (sold separately) Ideal Use Cases Storage Capacity Expansion Perfect for businesses that have reached the storage limits of their 1U RackStation and need additional capacity without replacing their existing infrastructure. The RX418 provides seamless expansion while maintaining all existing functionality and management capabilities. Dedicated Backup Destination Ideal as a dedicated local backup target for comprehensive data protection strategies. The RX418 can serve as a separate backup destination while maintaining the same management interface and features as the primary storage. Tiered Storage Solutions Excellent for implementing tiered storage architectures where different types of data require different storage performance characteristics. Use SSDs in the RX418 for high-performance applications or HDDs for archival storage. Future-Proof Infrastructure Provides a cost-effective way to scale storage capacity as business needs grow without requiring infrastructure overhaul. The modular approach allows for gradual expansion while maintaining investment protection in existing Synology systems. 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