QNAP PWR-PSU-550W-HN01 550W Power Supply Unit
Overview
The PWR-PSU-550W-HN01 is a 550W replacement power supply from QNAP's Honor series, designed to restore or maintain power delivery in compatible QNAP NAS enclosures. A failed or aging PSU is a single point of failure in any always-on storage deployment — swapping in a factory-new, matched unit eliminates the guesswork of third-party substitutions and ensures the enclosure's power management firmware recognizes the supply correctly. This is a direct-replacement component, not a generic part.
Compatibility
The PWR-PSU-550W-HN01 is designed for use with QNAP NAS systems that specify a 550W Honor-series power supply. Before ordering, verify your enclosure's PSU slot specification against this part number — QNAP's NAS enclosure lineup spans multiple PSU form factors and wattage ratings, and installing a mismatched supply can cause boot failure or damage to connected drives. Confirm the OEM PSU label on your unit reads PWR-PSU-550W-HN01 or that QNAP's compatibility documentation lists this SKU for your model. If you are planning a multi-bay or rackmount NAS storage build and need guidance on PSU selection across the QNAP catalog, consult the power supply category for additional options.
Installation Notes
PSU replacement in QNAP enclosures that support hot-swap requires no full shutdown — slide the failed unit out, insert the replacement until the latch engages, and the system recognizes the new supply within seconds. For enclosures without hot-swap capability, power down the unit, discharge any residual power, then replace. Ensure the power cable connector matches the enclosure's inlet spec before applying power. No tools are required for hot-swap-capable bays; non-hot-swap models may require a Philips screwdriver for panel access.
