Seasonic PRIME | Fanless PX 500 Watt | Full Modular 80+ Platinum PSU

SeaSonicSKU: Seasonic_Prime_PX500

Sale price£99.99

Pickup available at Rapid IT

Usually ready in 24 hours


The Seasonic PRIME Fanless PX 500 Watt Power Supply Unit (PSU) is a premium choice for enthusiasts seeking silent operation and top-tier efficiency. This fully modular, 80 PLUS Platinum certified PSU delivers outstanding performance without the noise, making it perfect for silent and energy-efficient builds.



Model: PRIME PX-500

Series: PRIME Fanless

Power Output: 500 Watts

Efficiency Certification: 80 PLUS Platinum

Form Factor: ATX

Modularity: Fully Modular

Dimensions: 140mm x 150mm x 86mm

Cooling: Fanless

MTBF: 150,000 hours

Cables Included: 

PCIe 8-Pin x 2

ATX 24-Pin x 1

PATA 4-Pin x 1

Protection Features:

Over Voltage Protection (OVP)

Over Current Protection (OCP)

Over Power Protection (OPP)

Short Circuit Protection (SCP)

Under Voltage Protection (UVP)

Over Temperature Protection (OTP)

Key Features:

80 PLUS Platinum Certified:

Achieves up to 92% efficiency under typical loads, ensuring less energy wastage and lower electricity bills while reducing heat generation.

Fanless Design:

Completely silent operation with no moving parts, ideal for noise-sensitive environments and users seeking a truly silent PC build.

Fully Modular Cabling:

Allows for cleaner builds with better airflow by using only the cables you need, improving overall system aesthetics and thermal performance.

High-Quality Components:

Utilizes top-grade capacitors and premium components to ensure long-term reliability and consistent power delivery.

Comprehensive Protection:

Equipped with multiple protection features to safeguard your system from potential electrical hazards.

Compact and Efficient:

Despite its fanless design, it offers compact dimensions, fitting easily into most ATX cases while maintaining excellent thermal performance.


This Seasonic PRIME Fanless PX 500 Watt PSU has been removed from a fully working unit. It is in excellent condition and has been tested to ensure it meets all performance standards. With its platinum efficiency and silent operation, this PSU is an exceptional choice for silent PC builds and high-efficiency systems.


At our refurbishment facility, our commitment to providing top-quality refurbished laptops, computers, and MacBooks begins with a meticulous refurbishment process. We take pride in ensuring that every device is restored to its best condition, combining functionality, aesthetics, and data security. In this guide, we'll walk you through the key steps of our refurbishment process.

Step 1: Initial Inspection Our refurbishment process starts with a thorough initial inspection:

  • Our expert technicians examine the device for physical damage, such as dents, scratches, or cracks.
  • We check the screen or display for dead pixels or damage.
  • The device's ports and connectors are inspected for functionality.

Step 2: Data Sanitisation Protecting your data is our top priority:

  • We use certified data erasure software to completely wipe the device's storage, ensuring all previous data is irrecoverable.
  • Any data storage devices, like hard drives or SSDs, are securely wiped, and any potentially defective storage components are replaced.

Step 3: Hardware Assessment We assess the device's hardware components:

  • Components like the processor, RAM, and motherboard are tested to ensure they meet our quality standards.
  • If any components are found to be faulty, they are replaced with high-quality, reliable parts.
  • We upgrade or replace components to ensure the device meets modern performance standards.

Step 4: Aesthetic Refurbishment We believe in the importance of aesthetics:

  • The device's case is carefully cleaned and polished to remove any blemishes.
  • We replace or repair damaged keyboard keys, touchpad, or other external components.
  • The device is made to look as good as new, with attention to detail.

Step 5: Software Optimisation Optimising the software for peak performance:

  • The device is loaded with the latest operating system and software updates.
  • We fine-tune the software to ensure smooth operation, optimising settings for efficiency.

Step 6: Final Testing To guarantee quality, we conduct thorough testing:

  • The device is rigorously tested to ensure all components work flawlessly.
  • We run performance tests to confirm that the device meets or exceeds industry standards.
  • Only when we are satisfied with the device's performance, it's ready for resale.

Step 7: Quality Assurance We stand by our products:

  • Each refurbished device is backed by our warranty, providing peace of mind to our customers.
  • We ensure that all accessories, such as chargers, are included.

Conclusion: At our facility, our dedication to excellence drives our refurbishment process. We take pride in delivering refurbished laptops, computers, and MacBooks that meet high-quality standards. When you choose a device from us, you're not only getting a fantastic product but also supporting a company committed to delivering top-notch refurbished technology. Buy with confidence, and experience the difference of our refurbished devices.

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