Best Silent Computer Power Supplies of 2026

Name: iCHOOSE 850W ATX Power Supply with Silent Fan
Brand: iChoose Limited

Tom Law

Last Updated: 4 Feb 2026

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Silent computer power supplies are a type of hardware that provides the energy needed to run a computer without producing excessive noise. These products are designed to operate quietly and efficiently, ensuring that users can work on their computers without any distractions. Silent power supplies are available in a range of sizes and power outputs, making them suitable for use in a variety of computer systems. Whether you're a professional who needs a quiet workspace or a home user who wants to reduce the noise level of their computer, silent power supplies can provide a reliable and effective solution.

At a Glance: Our Top Picks

#TOP 1

iCHOOSE 850W ATX Power Supply with Silent Fan

9.9

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#TOP 2

Switching Power Supply PSU 500W ATX with 12cm Silent Black Fan/for PC Computer/iCHOOSE

9.8

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#TOP 3

CORSAIR CX750 80 PLUS Bronze Power Supply

9.6

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Top 10 Silent Computer Power Supplies

#TOP 1

iCHOOSE 850W ATX Power Supply with Silent Fan

iChoose Limited
IC-ACE-ATX-850W
Black

Switching Power Supply PSU 850W ATX with 12cm Silent Black Fan/for PC Computer/iCHOOSE

The iCHOOSE 850W Power Supply offers a robust solution for your PC needs. With a 12cm silent black fan, it ensures efficient cooling, keeping your system quiet during operation. The 20+4 pin main connector provides a stable connection for your motherboard, enhancing overall system reliability. Additionally, the single +12V rail aids stability, ensuring consistent power delivery to your components. This power supply also features multiple connectors, allowing you to easily connect various peripherals and expand your setup as needed.

9.9

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What We Like

Quiet operation
Stable power delivery
Multiple connectors available
Compact dimensions

#TOP 2

Switching Power Supply PSU 500W ATX with 12cm Silent Black Fan/for PC Computer/iCHOOSE

iChoose Limited

Switching Power Supply PSU 500W ATX with 12cm Silent Black Fan/for PC Computer/iCHOOSE

Features

DIMENSIONS - Unit (mm): 150mm X 85mm X 140mm (W X H X D)
PRODUCT INFO - Switching Power Supply PSU 500W ATX With 12cm Silent Black Fan / For PC Computer
MAIN FEATURES - Power Factor Control (PFC). Cooling: 12cm Red Fan. ATX 12V Compliant For Most CPUs And Mainboards

9.8

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#TOP 3

CORSAIR CX750 80 PLUS Bronze Power Supply

Corsair
CP-9020279-UK
black
750W

CORSAIR CX750 80 PLUS Bronze Non Modular Low-Noise ATX 750 Watt Power Supply - UK - Black

The CORSAIR CX750 Power Supply offers impressive efficiency with its 80 PLUS Bronze certification, ensuring up to 88% operational efficiency. This means you can enjoy lower energy costs while generating less heat. With full continuous power, you can rely on this unit to deliver its rated wattage, perfect for demanding tasks. Additionally, the low-noise cooling system features a 120mm fan that operates quietly during light loads, enhancing your PC's overall performance without the distracting noise.

9.6

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What We Like

High operational efficiency
Reliable full continuous power
Low-noise cooling fan
Compact design for easy fitting
Sleek black design

#TOP 4

CORSAIR CX650 80 PLUS Bronze Power Supply

Corsair
CP-9020278-UK
black
650W

CORSAIR CX650 80 PLUS Bronze Non Modular Low-Noise ATX 650 Watt Power Supply - UK - Black

The CORSAIR CX650 Power Supply offers impressive efficiency with its 80 PLUS Bronze certification, ensuring up to 88% operational efficiency. This means you can save on energy costs while generating less heat. It delivers full continuous power, so you can rely on it to perform consistently without fluctuations. Additionally, the low-noise cooling feature employs a 120mm fan that operates quietly during light use, making it ideal for a peaceful computing environment. Its compact casing fits easily into most modern PC cases, providing flexibility for your build.

9.4

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What We Like

High energy efficiency
Reliable full power delivery
Quiet operation
Compact design

#TOP 5

GameMax 850W Rampage Power Supply Unit

GAMEMAX
GMXRPG850FMOD
Multicolour

GameMax 850W Rampage Power Supply (No Power Cable inc.), Full-Modular, APFC, Japanese Tk Main Capacitor, 80 Plus Bronze, 88% Efficiency, 14cm Cooling Fan, Real Power Gaming | Black

The GameMax Rampage 850W offers a full-modular cabling system, allowing you to customise your setup according to your needs. This means you can include only the cables you require, reducing clutter and enhancing airflow for better cooling. With an 80 Plus Bronze certification, it achieves up to 88% efficiency at 50% load, ensuring your high-end components perform optimally. Equipped with a Japanese TK main capacitor, this power supply provides reliability and longevity, giving you peace of mind for your gaming rig.

9.2

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What We Like

Full-modular cabling system
High efficiency rating
Reliable Japanese capacitor
Effective cooling fan
Single 12V rail for power

#TOP 6

GameMax GT-450G 450 Watt TFX Computer Power Supply For Mini PC With 80 Plus Gold, 80mm Silent Black Fan & One PCI-e Connector

GAMEMAX
GMX-GT-450G

GameMax GT-450G 450 Watt TFX Computer Power Supply For Mini PC With 80 Plus Gold, 80mm Silent Black Fan & One PCI-e Connector | Black

Features

80 Plus Gold Certification - The GT-450G Includes The Extremely High-Power Efficiency Of, On Average 85.46 Percent And A Typical Efficiency (50 Percent Load) At 91.38 Percent Means That The Power Supply Earns The Sought After 80 Plus Gold Certification. Overall Energy Consumption, Noise And Temperatures Are Lower And Less Energy Gets Wasted During Power Conversion, The Lower The Operating Costs Will Be For The User.
TFX Power Supply - Supporting Standard TFX Form Factor The GT-450G Delivers 450W Continuous Power Output At 40 Degree Celsius Rated Operation Temperature For 24/7 Operation Ensures Unwavering Power And Excellent Reliability.
Single 12V Rail - The 12V Rail Design Supports High Stability As The CPU Receives Its Power Through A Single Rail. The Most Demanding Peripherals Like A Graphics Card The GT-450G Includes A Single PCI-e Connector Ensuring There Is Enough Power To Support High-End Small Systems At Low Noise.

9.2

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#TOP 7

JUSTOP Black 750W PSU, Switching Power Supply

JUSTOP
JT-750-YY
Black
750W

JUSTOP Black 750W PSU, Switching Power Supply, Computer Desktop PC ATX, 120mm Fan, 8-Pin 12V, 6+2 Pin PCI-E, 6x SATA

Features

Single 8-Pin (4+4 Pin) 12v Rail Provides More Stability And Safer Power Output.
750W ATX Power Supply With 120mm Cooling Fan For Desktop PCs
Safety Agency Approval: UKCA / CE / FCC / UL And TUV Electrical Safety Certified

9.1

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#TOP 8

Tecnoware Power Systems - ATX Power Supply

Tecnoware Power Systems
400W NVIDIA

Tecnoware Power Systems - ATX Power Supply | 400W Hyper Stream Bronze | Supports NVIDIA GeForce GTX & RTX | Quiet 4.7 Inch Fan | PCI-E, CPU 4+4, SATA, Molex Connectors, Eco-Friendly Packaging, 400W

Features

Optimized Wiring For Easy Installation: Featuring Long Flat Cables Up To 80cm, This Power Supply Is Ideal For Configuring In The Lower Part Of The PC Case; Simplify Your Setup And Maintain A Clean, Organised Build With All Connectors In The Right Place
Advanced Power For High-End PCs: Equip Your System With The Tecnoware ATX Hyper Stream Bronze 400W Power Supply, Designed To Support Powerful NVIDIA GeForce GTX And RTX Graphics Cards; Perfect For Gaming And Professional Use, Ensuring Smooth Performance And Reliability
Silent Cooling With Ultrasilent Fan: Enjoy A Quieter Computing Experience With The 7;4-Inch Ultrasilent Cooling Fan; The Advanced Fan Control System Regulates Speed, Ensuring Efficient Cooling Without Compromising On Noise Levels; Perfect For Home And Office Environments

8.9

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#TOP 9

GameMax Rampage 800W Power Supply Unit

GAMEMAX
GMXRPG800
Multicolour

GameMax 800W Rampage Power Supply, Non-Modular, APFC, Japanese Tk Main Capacitor, 80 Plus Bronze, 88% Efficiency, 14cm Cooling Fan, Real Power Gaming | Black

The GameMax Rampage PSU offers reliable power for your gaming rig. With its 80 Plus Bronze certification, you can expect up to 88% efficiency at a 50% load, helping you save on energy costs. The inclusion of a Japanese TK main capacitor ensures durability and longevity, giving you peace of mind. A single 12V rail provides high compatibility, allowing your high-end components to perform at their best. Additionally, the ultra-silent 14cm cooling fan enhances airflow while keeping noise to a minimum, ensuring a smooth gaming experience.

8.8

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What We Like

High energy efficiency
Durable Japanese components
High compatibility for components
Silent cooling operation

#TOP 10

GameMax 750W Rampage Power Supply

GAMEMAX
GMXRPG750MOD

GameMax 750W Rampage Power Supply (No Power Cable inc.), Semi-Modular, APFC, Japanese Tk Main Capacitor, 80 Plus Bronze, 88% Efficiency, 14cm Cooling Fan, Real Power Gaming | Black

Features

80 Plus Bronze Certification - The Rampage Range Are 80 Plus Bronze 230V Certified Achieving An Efficiency Of Up To 88% At A Load Of 50%.
Semi-Modular - The 750W Rampage Is The Only Power Supply Of The Series With A Semi-Modular Cable Management Design Ensuring Building Or Upgrading Is Made More Efficiently And Guaranteeing A Clean Looking PC.
Power - The Rampage Range Offers Some Real Gaming Power, With A Single 12V Rail For High Compatibility And Extreme High Current Output. The 80 Plus 230V EU Bronze Efficiency Enables Your High End Components To Work To Their Full Potential.

8.7

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Frequently Asked Questions (FAQs)

1. Which power supply is the quietest?

Quietest Power Supply at a Glance:. Corsair TX-M 550W.BeQuiet! System Power 9 600W.Silverstone Nightjar SST-NJ450-SXL 450W Platinum.Corsair RMi 850W.Bitfenix BF450G.Corsair RM550x.Seasonic SSR-600TL.Corsair AX1000.

2. How do I make my power supply quieter?

A clogged PSU air intake can cause the fan to run faster and noisier. Clean the PSU fan filter/intake periodically to avoid this problem. Avoid placing the rear of the case too close to a wall or otherwise obstructing the exhaust mesh of the PSU in any way.

3. Are Corsair power supplies quiet?

The RM Series PSUs are designed to be exceptionally quiet even when delivering high levels of power. Built with low-noise capacitors and transformers, the PSUs feature a Zero RPM Fan Mode which only spins the PSU fan under the heaviest loads, allowing near silent operation in most everyday usage.

4. Is be quiet good power supply?

Regardless of which PSU you choose from be quiet!, it'll be more than capable of powering even high-end systems. This power supply has an 80 PLUS Gold rating, which means it's 90% efficient at 20% load, 94% efficient at 50% load, and 89% efficient at 100% load.

Editor's Notes

During our silent computer power supply research, we found 252 silent computer power supply products and shortlisted 10 quality products. We collected and analyzed 6,546 customer reviews through our big data system to write the silent computer power supplies list. We found that most customers choose silent computer power supplies with an average price of £52.42.

The silent computer power supplies are available for purchase. We have researched hundreds of brands and picked the top brands of silent computer power supplies, including iChoose Limited, Corsair, GAMEMAX, JUSTOP, Tecnoware Power Systems.

Written by

Tom Law

Tom Law is an adventurer who has captured his love for nature into all of his works. A native of Newcastle, Tom has always wanted to share beautiful stories alongside the lovely sights of nature. Fortunately, he took into photography on one of his many journeys and gradually grew a passion for it. Tom Law is now an expert photographer who tours the world while creating and keeping memories of his adventures. He frequently puts his thoughts and experiences into writing.