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PassMark
passmark.com › products › inline-psu-tester › index.php
PassMark Software - Inline PSU Tester
The PassMark PSU Tester is designed to quickly and comprehensively test a PC power supply.
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Corsair
corsair.com › explorer › diy builder › power supply units › how to test a psu (power supply unit)
How to Test a PSU (Power Supply Unit) | CORSAIR
May 20, 2024 - Unplug the AC power cable when testing is complete before unplugging the PSU cables. If any of the voltage ranges are outside of the parameters, submit a ticket through our site and provide photos of this to your support agent. *When -12V was made “optional” in the ATX 3.0 and newer spec, Corsair decided to remove the -12V. With these testers, instead of showing ZERO for the -12V, they’ll usually show around -13+, which is a false reading.
People also ask

How many watts does a PSU need, and how do I know that the PSU is the right size?
To make sure that the Power Supply Unit (PSU) fits your computer correctly, first, check the wattage to ensure it matches the power requirements you calculated for your PC components. How do you check your PSU wattage usage? The simplest way is to check the label on your PSU. It typically shows the maximum wattage it can provide, representing the PSU's capacity. It's a good practice to choose a PSU with slightly more wattage than you calculated to be safe. You can also use the power supply calculator to estimate your computer's power needs based on its components. · Next, make sure your PSU fi
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newegg.com
newegg.com › tools › power-supply-calculator
PC Power Supply Calculator – PSU Wattage Calculator | Newegg
Why do you need to calculate the wattage of a PSU (Power Supply Unit)? And how can you use the Newegg power supply calculator to determine the right wattage for you?
Calculating the wattage of a Power Supply Unit (PSU) is important because it ensures your computer gets the right amount of power. The best power supply for your PC build is the one that delivers the correct amount of electrical power to all components at once. To determine the correct PSU for your PC build, you need to find the total power your PC requires, measured in watts. First, consider and calculate the power needs of your PC's components, including CPU, MotherboardGPURAMhard drives, and any other devices you plan to use. · The power supply calculator will help you multiply the total am
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newegg.com
newegg.com › tools › power-supply-calculator
PC Power Supply Calculator – PSU Wattage Calculator | Newegg
What are some of the top PSU brands that I can buy?
Newegg offers PSUs from reliable, popular brands such as · Corsair, · EVGA Rosewill Seasonic Cooler Master, · Silverstone FSP, and Thermaltake. For gaming-specific power supplies, browse the products of trusted brands such as Corsair and EVGA, which offer PSU models tailored to gaming PCs' higher power demands and performance requirements. When selecting a PSU brand, explore our product offerings to find the option that best fits your needs and preferences.
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newegg.com
newegg.com › tools › power-supply-calculator
PC Power Supply Calculator – PSU Wattage Calculator | Newegg
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Newegg
newegg.com › tools › power-supply-calculator
PC Power Supply Calculator – PSU Wattage Calculator | Newegg
Enter your system components below, and our online PSU calculator will determine the required watts and amps for your PC build.
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be quiet!
bequiet.com › en › psucalculator
Power Supply calculator - calc for silent PSUs from be quiet!
The selected CPU generates high peaks of electric load. As a result some PSUs are excluded from the recommendations.
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Amazon
amazon.com › psu-tester › s
Amazon.com: Psu Tester
Discover reliable PSU testers featuring multiple connector support and automatic alarm functions for quick diagnosis.
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Windows Report
windowsreport.com › software › utilities & tools › power supply test software
5 Best PSU Test Software for Your Computer’s Power Supply
July 22, 2025 - Sidebar Diagnostics – Customizable power supply software monitor and hardware tool · AIDA64 Extreme is an advanced system diagnostics utility that functions as an effective PSU test software.
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Lifewire
lifewire.com › test-a-power-supply-using-a-power-supply-tester-2626160
How to Test Your Power Supply With a PSU Tester
December 23, 2022 - Press and hold ON/OFF button on tester. Check power supply voltage tolerances and other criteria. This article explains how to test the power supply unit (PSU) in your computer with a power supply tester.
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Corsair
help.corsair.com › hc › en-us › articles › 360025085372-PSU-How-to-test-a-PSU-Power-Supply-Unit
PSU: How to test a PSU (Power Supply Unit) – Corsair
Unplug the AC power cable when testing is complete before unplugging the PSU cables. Please Note: When -12V was made “optional” in the ATX 3.0 and newer spec, Corsair decided to remove the -12V. With these testers, instead of showing ZERO for the -12V, they’ll usually show around 13+, which is a false reading.
Find elsewhere
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Cooler Master
coolermaster.com › en-global › power-supply-calculator
Sites-coolermaster-one-Site
Premium modular ATX case · Calculate the recommended power supply for your system
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How-To Geek
howtogeek.com › home › windows › how to test the power supply unit (psu) in your pc
How to Test the Power Supply Unit (PSU) in Your PC
February 6, 2023 - Testing your computer's power supply unit is fairly simple. You can test the PSU with a basic jumper test, multimeter, or power supply tester.
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OCBASE
ocbase.com
OCBASE/OCCT : Free, all-in-one stability, stress test, benchmark and monitoring tool for your PC
Ocbase is the home of OCCT, the most popular all-in-one stability / stress testing / benchmarking / monitoring tool available for PC
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Walmart
walmart.com › home improvement
Power Supply Testers for Home Improvement Electronics and More
Explore a range of power supply testing tools and electrical measurement devices. Shop Walmart.com today for Every Day Low Prices and enjoy convenient shopping options.
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How-To Geek
howtogeek.com › home › hardware › how to test your computer's psu with a psu tester
How to Test Your Computer's PSU With a PSU Tester
October 1, 2022 - To use it, simply turn off the PSU (either with the switch on the back or by unplugging it from the wall). Then plug in the mother power cable to the tester as well as the CPU power connector cable---if you don't plug in the CPU cable, you'll get an error message.
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Evision Webshop
evision-webshop.eu › home › manufacturer › passmark › pc hardware test tools › inline psu tester
Passmark Inline PSU Tester - PM123
Inline PSU Tester
The Passmark PM123 Inline PSU Tester enables diagnostics and troubleshooting for desktop PC power supplies.
Price   €542.64
Price   $$$
Address   Jahnstraße 12, 85661, Forstinning
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MakeUseOf
makeuseof.com › home › diy › how to test a power supply unit (psu) with a multimeter
How to Test a Power Supply Unit (PSU) With a Multimeter
February 12, 2023 - To conduct this test without risking a motherboard, you can use a paper clip to connect the power on pin to a ground pin. If your PSU's main connector has colored wires, then the green wire goes to the power-on pin and the black ones go to ground pins. If the wires aren't color-coded, you can use the diagram above to locate the pins on your connector.
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Amazon
amazon.com › power-supply-tester › s
Amazon.com: Power Supply Tester
Discover reliable power supply testers for ATX, ITX, and BTX systems. LCD displays show voltage readings and automatic alarms alert you to issues.
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Newegg
newegg.com › p › pl
power supply tester | Newegg.com
Power III Pro offers techs, builders, and repair professionals a reliable tester equipped with a color display and high-precision voltage readout. ... This product is sold direct from the manufacturer.