12 Best Computer Power Supply Testers to Get Today

Discover the best computer power supply tester to ensure optimal performance. Simplify your tech choices with our concise guide for savvy users.
12 Best Computer Power Supply Testers to Get Today

Top Quick Picks For You

Affordable Winner

Comidox Power Supply Tester

Comidox Power Supply Tester

This product offers great value for its low price while still providing essential features and functionalities for power supply testing.

Best for Quick Diagnostics

Kingwin Power Supply Tester

Kingwin Power Supply Tester

With its clear LCD display and user-friendly interface, this tester enables fast diagnostics of power supply issues, making it ideal for quick evaluations.

Best for Versatile Testing

Fuhengli Power Supply Tester

Fuhengli Power Supply Tester

This tester is highly versatile, supporting a wide range of connectors and providing comprehensive testing options suited for various power supplies.

Best for Beginner Technicians

ASHATA Power Supply Tester

ASHATA Power Supply Tester

Its intuitive design and clear LCD display make it easy for beginners to understand and utilize for power supply testing without needing advanced technical knowledge.

Best Computer Power Supply Tester

In the intricate dance of computer components, the power supply stands as the unsung hero, quietly fueling performance without fanfare. Yet, even the most reliable power supply can falter, leading to frustrating failures and lost productivity. Enter the world of the best computer power supply testers—your essential allies in diagnosing issues with precision, ensuring your system runs smoothly and efficiently, all while taking the guesswork out of troubleshooting.

Affordable Winner: Comidox Power Supply Tester

1Pcs 20/24 Pin LCD Computer PC Power Supply Tester for ATX BTX ITX TFX SATA with Buzzer Automatic Alarm
Highlights
Easy and intuitive use
Accurate voltage display
Automatic fault alarm

The Affordable Winner of our review process is the LCD power tester that truly stands out for its exceptional value .

Just plug it into your power supply's ATX connector, and you'll swiftly access crucial output data, ensuring everything runs smoothly .

With the ability to measure various voltage outputs and an automatic fault alarm, it offers peace of mind when setting up your systems .

Sure, some may find the bright LED indicators a bit flashy, and the display could arrive a tad scratched .

However, its intuitive interface and accurate readings (+/-0.01V) make it a reliable companion for any tech enthusiast.

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Price history for Comidox Power Supply Tester on Amazon

Best for Quick Diagnostics: Kingwin Power Supply Tester

Kingwin PC Computer Power Supply Tester, Digital LCD Screen, ATX/ITX/IDE/HDD/SATA/BYI (KPST-01)
Highlights
Comprehensive testing capabilities
User-friendly interface
Fast and accurate results

When it comes to finding power supply issues quickly, we believe the Kingwin Power Supply Tester reigns supreme in our lineup .

Awarded for Best for Quick Diagnostics, its clear LCD display gives you real-time voltage readouts that help you spot problems in a flash .

With a user-friendly, plug-and-play interface, both beginners and seasoned pros can tackle power supply checks effortlessly .

Its compact design ensures that it’s portable and easy to store, making it the perfect companion for DIY builders .

Plus, built-in safety features provide peace of mind while you work .

What’s not to love?

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Price history for Kingwin Power Supply Tester on Amazon

Best for Versatile Testing: Fuhengli Power Supply Tester

Computer PC Power Supply Tester, ATX/ITX/IDE/HDD/SATA/BYI Connectors Power Supply Tester, 1.8'' LCD Screen (Aluminum Alloy Enclosure)
Highlights
Multi-connector support
Easy to read LCD
Audible alarm feature

When searching for the best power supply tester, we stumbled upon this gem, dubbed "Best for Versatile Testing." This 8-in-1 device supports a variety of connectors—think ATX, IDE, SATA, and more—making it a fantastic choice for all your testing needs .

The 1.8" LCD screen displays voltages clearly, though be mindful of its susceptibility to scratches .

We appreciate the audible alarm feature, alerting us when values go haywire, and its lightweight aluminum alloy design makes it easy to carry around .

Despite some awkward instructions, this tester is a reliable companion for any tech enthusiast!

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Price history for Fuhengli Power Supply Tester on Amazon

Best for Beginner Technicians: ASHATA Power Supply Tester

ASHATA PC Power Supply Tester with 20/24 Pin LCD Display for ATX,BTX,ITX,TFX Computer Power Supplies
Highlights
Intuitive LCD display
Automatic fault alarm
Portable and compact

When we tested the Power Star Power Tester, it quickly became our go-to choice for beginner technicians .

Its intuitive LCD display is a game-changer, allowing even novice users to easily read output voltages with pinpoint accuracy (+/-0.01V) while eliminating guesswork during diagnostics .

Plus, it features an automatic fault alarm to alert you if there's a problem—talk about peace of mind !

Although it's limited to 24/20 pin connectors, its portable and compact design makes it a practical addition to any toolkit .

All in all, this tester is perfect for those diving into the world of computer hardware without feeling overwhelmed.

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Price history for ASHATA Power Supply Tester on Amazon

Thermaltake Dr. Power III

Thermaltake Dr. Power III ATX Power Supply Tester/Support up to ATX12V v3.1 with PCIe 12+4pin Connector/Voltage Output for +12V, +5V, +3.3V, and +5Vsb, AC-069-OO1NAN-A1
Highlights
Real-time voltage display
Portable and easy to use
Comprehensive diagnostic features

We are excited to introduce the **Thermaltake Dr .

Power III**, a top-notch power supply tester that combines ease of use with advanced diagnostic capabilities .

Featuring a real-time voltage LCD display, this portable tester allows us to monitor power outputs effortlessly .

Its precision in PCIe 12+4pin connector detection ensures accuracy, a significant plus for any tech enthusiast .

While it might come at a slightly higher price point, the built-in diagnostic system has proven invaluable for proactive maintenance .

However, be aware that the Power Good signal can be a bit sensitive and the screen offers limited failure details .

Overall, it’s a solid investment for anyone serious about computer components!

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Price history for Thermaltake Dr. Power III on Amazon

axGear Power Supply Tester

axGear Power Supply Tester PC Computer LCD 20/24 Pin 4 PSU ATX BTX ITX SATA HDD Digital
Highlights
Robust voltage testing
Quick functional checks
No batteries needed

When it comes to ensuring your PC power supply lives up to its potential, axGear's power supply tester is an indispensable tool in our kit .

This robust voltage tester makes checking your ATX, BTX, and ITX compliant supplies a breeze .

We love its LCD display, which clearly indicates voltage statuses, allowing us to quickly perform functional checks whether at home or in a more specialized setting .

Best of all, it operates without batteries, making it incredibly convenient for the ambitious hobbyist or the busy professional .

Just remember, while it doesn’t measure efficiency and can’t test under load, it remains a reliable companion in your tech toolbox!

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Price history for axGear Power Supply Tester on Amazon

Optimal Shop Power Supply Tester Computer Power Supply Tester

20+4 Pin LCD Computer Power Supply Tester for SATA IDE HDD ATX ITX BYI Connectors-Black
Highlights
Multiple connector support
Easy to understand display
Compact and portable design

When it comes to testing your power supply, the 8-in-1 ATX Power Supply Tester makes the task not just easy, but enjoyable too !

With support for various connectors—20-pin, 24-pin, and even PCI-e—you'll find it accommodates most setups effortlessly .

We love the compact aluminum alloy shell that ensures portability without compromising on strength .

The 1.8" LCD screen provides a clear readout of the output voltage, although we advise handling it with care to avoid those pesky scratches .

The buzzer alarm is a reassuring feature that alerts us to any issues .

Overall, it’s a solid companion for anyone needing quick power supply diagnostics!

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Price history for Optimal Shop Power Supply Tester on Amazon

ASHATA Power Supply Tester

20/24 4/6/8 Pin Computer PC Power Supply Tester with LCD Display and Buzzer for ATX, ITX, BTX, PCI E, SATA, HDD
Highlights
Automatic fault alarm
Intuitive LED display
Easy plug-and-play use

When it comes to testing your computer power supply, the ASHATA Power Supply Tester is a game-changer !

We love how it automatically alarms when everything’s in the normal range, making it nearly foolproof .

Its intuitive LED display shows voltage with impressive accuracy (+/- 0.01V), allowing us to quickly assess power quality .

Plus, it’s a breeze to use—just connect it to the ATX connector, and voilà !

It supports a variety of outputs, though we found some results a bit ambiguous at times .

Despite limited documentation, its practicality wins us over .

This compact tool is definitely a handy companion for every tech enthusiast!

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Price history for ASHATA Power Supply Tester on Amazon

GOWENIC Power Supply Tester

Computer PC Power Supply Tester, ATX BTX ITX TFX Power Supply Tester with LCD Screen Display, Computer Host Inspection and Maintenance Tester Tool
Highlights
Affordable price
Easy to use
No external power needed

When it comes to checking your computer's power supply, the GOWENIC Power Supply Tester is both affordable and user-friendly .

Weighing in at just 2.6 ounces and measuring a compact 3.94 x 1.97 x 0.79 inches, it’s perfect for those who want a lightweight solution .

What we love most is that it needs no external power—just plug your connectors in and get testing !

While it offers basic voltage readings and is limited to specific connectors, this tester is a solid choice for quick diagnostics .

Just be aware, a user manual isn’t included, but that doesn't take away from its convenience!

Be sure to also check out the best network cable tester for more options! Also, here is the price history so you know exactly when to buy!

Price history for GOWENIC Power Supply Tester on Amazon

Salalis Power Supply Tester Computer Power Supply Tester

Computer Power Supply Tester, Computer ATX Power Supply Tester PC Computer Maintenance Tester Digital LCD Screen Computer Host Inspection and Maintenance Tool for ATX, BTX, ITX, TFX
Highlights
Easy-to-read LCD display
Automatic alarm feature
Wide application compatibility

The Power Star Power Tester is a small but mighty device that streamlines the often tedious process of checking power supply outputs .

With its easy-to-read LCD screen, we appreciate how it clearly shows voltage for various outputs, including P4, P6, and SATA .

One standout feature is the automatic alarm—if it detects an issue, the buzzer alerts us right away, giving us peace of mind .

While its compact size might leave some wanting more from the display, the tester's versatility across ATX, BTX, and ITX systems makes it an essential tool for both techies and casual users .

We wholeheartedly recommend this little powerhouse for anyone looking to ensure their system runs flawlessly!

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Price history for Salalis Power Supply Tester on Amazon

BUBUCAM Power Supply Tester

PC Power Supply Diagnostic LCD Computer Testing Device Computer 20/24 4/6/8 Pin Supply Tester for SATA, IDE, HDD, ATX, ITX, Byi Plug
Highlights
Intuitive LCD display
Accurate voltage detection
Automatic error alarms

We’ve put the Power Star Power Tester through its paces, and it truly stands out as a must-have tool for any PC enthusiast .

With its intuitive LCD display, we love how it provides accurate voltage readings, down to ±0.01V !

The automatic error alarm is a fantastic feature, alerting us to any discrepancies instantly, making testing efficient and hassle-free .

While the instructions are a bit sparse, the sleek design and comprehensive testing capabilities outweigh this minor setback .

If you’re in need of a reliable companion to ensure your power supply is up to snuff, look no further—this tester has you covered!

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Price history for BUBUCAM Power Supply Tester on Amazon

Noyafa NF-8508

NOYAFA NF-8508 Network Cable Tester with Optical Power Meter VFL, CAT5 CAT6 Cable Toner Ethernet Cable Tester, RJ45 Network Tester for Telephone, Ethernet, PoE Tester Wire Tracer Fiber Tester
Highlights
Multi-functional capabilities
Accurate length measurement
High sensitivity and low noise

The NOYAFA NF-8508 Network Cable Tester is a real game-changer for anyone in need of a reliable power supply tester .

With its multifunctional capabilities, it offers an impressive nine features, from cable scanning to PoE testing—perfect for comprehensive network maintenance .

We love how it accurately measures cable lengths up to 200m while maintaining high sensitivity with minimal noise interference .

The long-lasting 1500mAh lithium battery ensures you won't be left in the dark, quite literally !

However, the instruction manual leaves something to be desired, and the build quality could use a little boost .

Overall, this tester is a stellar pick for both novices and pros!

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Price history for Noyafa NF-8508 on Amazon

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