SKU: 42973378507

QNAP 550W Power Supply Unit, FSP

Sale price$135.67 Regular price$150.74
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Description

QNAP 550W Power Supply Unit, FSPThe QNAP 550W Power Supply Unit, crafted by FSP, is a high reliability power solution engineered to keep demanding NAS environments running smoothly. Designed specifically to meet the needs of QNAP systems, this 550W PSU delivers steady, clean power to maintain peak performance, protect sensitive components, and minimize downtime. Built to endure the rigors of 24 7 operation, it combines robust electrical protection, durable components, and thoughtful

The QNAP 550W Power Supply Unit, crafted by FSP, is a high-reliability power solution engineered to keep demanding NAS environments running smoothly. Designed specifically to meet the needs of QNAP systems, this 550W PSU delivers steady, clean power to maintain peak performance, protect sensitive components, and minimize downtime. Built to endure the rigors of 24/7 operation, it combines robust electrical protection, durable components, and thoughtful thermal design to ensure your NAS remains stable under load. Whether you’re expanding storage, running demanding applications, or managing a busy home or small-business network, this power supply provides the foundation for dependable, continuous operation without compromise.

  • Engineered for QNAP NAS reliability: This 550W unit from FSP is purpose-built to support QNAP NAS enclosures, providing consistent wattage delivery and clean voltage rails to sustain performance during long periods of high activity.
  • Stable power delivery for demanding workloads: With a continuous 550W output, the PSU is designed to handle burst workloads, multi-drive configurations, and sustained data transfer without voltage dips that can impact performance or cause system instability.
  • Comprehensive protection for data integrity and hardware safety: Integrated safeguards include over-voltage protection, over-current protection, short-circuit protection, and temperature monitoring to automatically safeguard your NAS components and connected peripherals.
  • Compact, NAS-friendly design with quiet operation: The power supply is optimized for compact NAS enclosures, emphasizing efficient cooling and low-noise performance to keep noise levels unobtrusive in home offices or small workspaces.
  • Straightforward compatibility and support: Built to align with QNAP’s hardware ecosystem, this PSU offers a reliable upgrade or replacement option for supported models, backed by robust documentation and accessible customer support from QNAP and FSP.

Technical Details of QNAP 550W Power Supply Unit, FSP

  • Model: QNAP 550W Power Supply Unit, FSP
  • Input Voltage: 100-240V AC, 50-60Hz
  • Output Power: 550W continuous
  • Protections: Over-voltage, over-current, short-circuit, and over-temperature protection
  • Efficiency: Not specified in available documentation

how to install QNAP 550W Power Supply Unit

  • Power down the NAS and disconnect the power cord from the outlet to ensure there is no residual charge or risk of shock during installation.
  • Open the NAS enclosure following the manufacturer’s instructions, ensuring you have a clean, static-free work area to prevent damage to sensitive components.
  • Locate the existing power supply bay and remove any enclosure covers or mounting screws as required by your model’s hardware manual.
  • Disconnect all power cables and data connectors attached to the existing PSU, noting the routing and labeling of cables to simplify installation of the new unit.
  • Remove the old power supply from the bay and prepare the new QNAP 550W PSU for installation, ensuring it aligns with the mounting points and fits within the enclosure’s space constraints.
  • Insert the new power supply into the bay and secure it with the appropriate screws or mounting hardware provided with the NAS or the PSU.
  • Reconnect power cables to the new PSU and carefully re-route cables to avoid obstructing fans or airflow paths inside the enclosure.
  • Replace the NAS cover, plug the unit back into the wall outlet, and power on the device to verify successful boot and proper operation of the power supply.
  • Monitor the NAS during initial operation for any unusual noises, heat buildup, or system warnings, and consult the user manual or support if any irregularities occur.

Frequently asked questions

  • Is this 550W PSU compatible with my QNAP NAS model?
    Compatibility depends on the specific NAS enclosure and whether it requires a 550W supply. Check your model’s hardware specifications or user manual to confirm wattage requirements, then verify that the FSP-based unit is listed as a supported replacement.
  • What should I expect in terms of installation effort?
    The installation process is typically straightforward for users familiar with NAS maintenance. You will need to power down, remove the enclosure cover, disconnect the old PSU, install the new unit, reconnect cables, and replace the cover. Always follow the manufacturer’s safety guidelines and warranty terms.
  • Does the power supply come with cables or mounting hardware?
    Cabling and mounting hardware availability varies by retailer and region. In many cases, essential mounting hardware is provided by the NAS enclosure or the PSU supplier. If any cables or brackets are missing, contact the seller or QNAP support for guidance on compatible accessories.
  • What kind of protection does this PSU offer?
    This unit includes multiple protections to safeguard the NAS: over-voltage protection (OVP), over-current protection (OCP), short-circuit protection (SCP), and over-temperature protection (OTP). These safeguards help prevent damage during power surges or abnormal operating conditions.
  • Is there a warranty or support for this power supply?
    Warranty terms depend on the retailer, region, and product bundle. Check the official QNAP and FSP warranty policies or your seller’s warranty terms for information on coverage duration, what’s included, and how to file a claim if needed.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 42973378507

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4.2 ★★★★★
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andrea cicalo
Cuba, US
★★★★★ 4
Perfect for what I needed - getting a 2nd one.
Color: Black, Size: 22" - 4 Panel
Putting it together was a BEE-OTCH!! Yes, one of the tubes had the top cap installed at the wrong end (& getting it off required tools), and yes, stretching the fabric to get the screws in was incredibly hard...but am I buying another one? YES! After all is said and done, this is a great room divider. I opted out of installing the paddle feet & it still works perfect. It won't filter light all that great and even though it stands on its own, it can be blown over easily - but for the price? Excellent. If I wanted a heavy duty, thicker, more expensive one, I would've bought one. The 2nd one is on the way. Perfect height, no weird smell, nice and light and easy to move around.
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Reviewed in the United States on September 30, 2025
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Diana Walls
Draper, US
★★★★★ 5
WHERE HAVE YOU BEEN 😊
Color: Grey, Size: 34" - 3 Panel
I purchased RANTILA 3 Panel Room Divider, 6 Ft Tall Folding Privacy Screen Freestanding Room Partition Wall Dividers, 102''W x 20''D x 71''H, Grey. For outdoor use on my patio is perfect . PRIVACY!!! YAY! It was packaged very carefully. There were no missing parts. Instructions were there but I still had to use the video visually. A few screws would not screw in. So I used a hammer with a few good taps that helped using the screw driver. 😊 It was easy putting it together following the directions. Everything is well made. Love the height, functionality and it’s definitely light it works. Thank you
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Reviewed in the United States on June 7, 2025
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Ellen W.
Waukegan, US
★★★★★ 5
I am happy with the room divider. It does what I intended.
Color: Beige, Size: 34" - 3 Panel
Use a power screwdriver.
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Reviewed in the United States on April 25, 2026
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Michele Parkinson
Cuba, US
★★★★★ 3
It’s really pretty decent except for one thing.
Color: Grey, Size: 34" - 4 Panel, Color: Grey, Size: 34" - 4 Panel
I bought two of these for my basement and they do look great. They were easy to assemble and I’m happy with them. The problem is that the stitching on the fabric panels are almost the size of a machine basting stitch (which for non sewers means large temporary stitches). Because the panels are tight by design, the stitches had already started to come undone before I could finish assembling everything. Fortunately I can sew and I reinforced all the panels. I had to take the first ones back off the poles to do them but I did the second set before assembling. It’s really not a bad product for the money. It’s quality fabric and the design itself looks great. The stitching looks fine but it’s just not substantial enough for the purpose it is supposed to serve. I can’t imagine why it be sewn so insufficiently. I was able to resolve my issue because I can sew. I wasn’t planning on sewing nor did I really have the time. I could have made it myself but I didn’t want to and that is why I purchased this. I ended up using valuable time. The really unfortunate thing is, I have no other complaints. This is a manufacturing problem.
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Reviewed in the United States on February 3, 2023
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Mad Jack
Carnegie, US
★★★★★ 5
Inexpensive walls.
Color: Grey, Size: 34" - 3 Panel, Color: Grey, Size: 34" - 3 Panel
We had a hot request for a workstation in the warehouse with some privacy. These have worked great. Easy to assemble. They are lightweight and stable. This was an inexpensive solution that looks professional. Our client loved it.
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Reviewed in the United States on August 1, 2025

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