Synology PSU 500W_4 Internal Power Supply

Restore the Power Behind Your NAS The PSU 500W_4 is a genuine Synology replacement power component for selected NAS and expansion systems. It is designed for the compatible chassis listed below, helping restore the original power arrangement when the fitted supply needs replacement. PSU 500W 24p+20p+4p. This is an internal replacement component rather than an external desktop adapter. Check the NAS model, fitted part and any serial-number restriction before ordering. Highlights Purpose Genuine Synology replacement power component. Supply format One internal PSU component. Compatibility For selected Synology NAS or expansion systems. Warranty 1 year. Key Features Compatible Models Synology lists this exact replacement part for the following systems. Match the complete model name and any serial-number or regional requirement before ordering. RackStation: RS3618xs, RS2423+, RS2421+, RS2418+, RS2416+. Expansion Units: RX1217. Match the Complete System Compatibility depends on the exact NAS or expansion chassis. Supported systems include RS3618xs, RS2423+, RS2421+, RS2418+; the full verified list is in Specs. A matching wattage alone does not establish that the mounting, electrical connection and system revision are suitable. Choose the Correct Supply Format The supply fits inside the supported chassis. Retain the system’s intended internal wiring and mounting arrangement; an external adapter or a generic computer supply should not be selected solely by power rating. Check the Fitted Part Before Ordering Compare the fitted component label and connector arrangement with the replacement specification. Provide the host model and a photograph of the fitted component if its identity is unclear. Plan a Controlled Replacement Follow the exact host’s hardware installation guide and service procedure. Whether replacement can take place while the system runs depends on the host and its remaining power path; the part name alone is not permission to work on live equipment. Keep Repair Decisions Focused A NAS that does not start can have several causes. Confirm the power component is the required replacement before purchasing; this spare does not by itself repair storage media, recover files or establish the health of other system components. Retain a Clear Maintenance Record Record the original fault and replacement part against the NAS model and serial number. This keeps the equipment’s service history understandable and helps identify the correct spare for future maintenance. Summary Choose the PSU 500W_4 for its verified Synology compatibility and original replacement purpose. Match the host, fitted component and any revision condition before ordering, then follow the equipment guide for a controlled installation. Frequently Asked Questions Will It Fit Any Synology NAS With the Same Wattage?ExpandCollapse No. Use the exact compatible-host list in Specs and match the fitted supply, connector and any serial-number restriction. Wattage alone is not sufficient. Is This a Module or a Complete Power-Supply Set?ExpandCollapse This offer is for the specified internal power-supply component. It is not an external adapter or a NAS chassis. Can I Replace It While the NAS Is Running?ExpandCollapse Follow the exact NAS hardware guide. Hot replacement depends on the supported chassis, its power arrangement and the state of the other supply; it is not assumed for every system. What Should I Check Before Ordering?ExpandCollapse Confirm the NAS or expansion model, the fitted part label and any applicable serial-number range. A clear photograph of the original supply can help identify the correct replacement. Does It Include the NAS or Storage Drives?ExpandCollapse No. The offer is for the replacement power component. The NAS chassis, drives and installation service are separate. What Is the Warranty?ExpandCollapse Genuine Synology spare parts have a one-year warranty under the manufacturer’s applicable terms. Read more