Synology RX418 Expansion Synology Expansion Unit RX418 4-Bay 3.5" Diskless NAS (1U Rack) for Scalable Models (SMB) SOH Promo only Synology RX418 delivers an effortless solution for volume expansion and data backup for Synology 1U RackStation by adding 4 additional SATA drive bays on-the-fly. With its short-depth chassis design, RX418 ensures easy installation and deployment in 2-post racks and wall mount racks. Synology RX418 is backed with Synology's 3-year limited warranty. Models supported RS818+, RS818RP+, RS816, RS815+, RS815RP+, RS815. Synology Live Chat available - https://www.synology.com/en-global Product Information Plug-and-Use Design for Seamless Storage Space Upgrade Online Volume Expansion 12-Inch Depth to Fit in 2-Post Racks & Wall Mount Racks Energy-Saving Deep Sleep Mode Managed from Synology DiskStation Manager (DSM) Warranty can be extended to 5 years with the purchase of EW201 Specifications AV Output None Classification Expansion Unit Cooling Fan 40mm x 3 Drive Bay Configuration (#) 3.5" (4) 2.5" supported by optional adapter Drive Bays 4 / Not Upgradeable eSATA Port For Expansion Unit Only External Port Configuration eSATA (1) Form factor 1U Rack Mount HDD Pre-Installed Diskless Hot Swap Bays Yes LAN None LCD Display Panel No Packaging Retail Scalable No Unit Dimensions (W x H x D mm) 430.5 x 44.0 x 290.0 USB Port No Wireless Not Supported
