Looking Beyond the Ejoyous LCD Power Supply Tester? 6 Alternatives Worth a Look
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You might be looking for ejoyous computer power supply tester alternatives if you need a different form factor or size. The Ejoyous LCD Power Supply Tester supports ATX, ITX, BTX, and TFX units. It displays voltage and PG values on an LCD screen. The device also triggers an audible warning when values exceed normal limits. This combination of visual and audio feedback helps you quickly identify power supply faults.
However, you may prefer a tool focused solely on standard ATX connectors. Some alternatives offer a more compact design or a different build material. Others might lack the multi-format support but provide a simpler interface. We selected these options because their specifications overlap with the original. Each alternative provides LCD readouts for main power rails. They all serve technicians who need reliable voltage verification. You can choose based on your specific connector needs and preferred physical dimensions.
Comparing Ejoyous Alternatives
Optimal Shop 20+4 Pin LCD Power Supply Tester
The Optimal Shop 20+4 Pin model measures 8.3 by 3.7 by 0.8 inches and weighs 3.2 ounces. It shares the LCD display and ATX form factor with the Ejoyous tester. However, it lacks support for ITX, BTX, or TFX connectors. You get a dedicated 20+4 pin interface for standard ATX verification. This device suits technicians who focus on mainboard power rails rather than small form factor units. It provides clear readings but does not alarm for peripheral connector faults like the Ejoyous model. Choose this if you need a robust tool for standard ATX power supplies only.
Optimal Shop LCD ATX Power Supply Tester
This Optimal Shop version features a golden aluminum build and an LCD screen. It supports ATX and ITX power supplies. Unlike the Ejoyous tester, it does not list BTX or TFX compatibility. The compact design makes it portable for field work. You receive clear voltage readouts for main connectors. It lacks the audible alarm system found in the Ejoyous unit. This makes it ideal for users who prefer silent operation or visual checks alone. It is a solid choice for verifying standard ATX and ITX voltage stability. Select this option if you prioritize a durable metal casing over multi-format support.
Comidox 20/24 Pin LCD Power Supply Tester
The Comidox tester measures 4.95 by 2.51 by 0.72 inches. It uses an LCD display to show voltage for 20/24 pin ATX connectors. It is smaller and lighter than the Ejoyous model. It does not support ITX, BTX, or TFX form factors. You get precise main connector readings without peripheral analysis. The device lacks an audible warning system for out-of-spec voltages. This makes it best for users who only need to verify standard ATX power outputs. It is a budget-friendly option for basic checks. Choose this if you want a compact tool for quick ATX voltage verification without extra features.
ASHATA ATX LCD Power Supply Tester
The ASHATA ATX tester measures 3.94 by 1.97 by 0.79 inches and weighs 2.82 ounces. It features an LCD display for ATX voltage checks. It supports standard ATX form factors. It does not list support for ITX, BTX, or TFX connectors. You get an audible alarm for unstable outputs, similar to the Ejoyous model. However, it lacks peripheral connector testing capabilities. This device is ideal for users who need quick, reliable voltage stability checks. It is compact and easy to handle. Pick this option if you prioritize audible warnings and portability for standard ATX power supply verification.
ASHATA LCD Power Supply Tester
This ASHATA model measures 3.94 by 1.97 by 0.79 inches and weighs 2.82 ounces. It includes an LCD display and supports ATX and ITX power supplies. It shares the audible alarm feature with the Ejoyous tester. However, it does not support BTX or TFX form factors. You get quick verification of main power rails. It lacks detailed peripheral connector analysis. This tool is best for builders who need simple, fast voltage checks. It is compact and efficient for standard ATX and ITX units. Choose this if you want a reliable alarm system for voltage faults without the complexity of multi-format support.
JacobsParts 20/24-Pin LCD Power Supply Tester
The JacobsParts tester weighs 3.53 ounces and features an LCD display. It supports 20+4 pin ATX connectors. It does not list support for ITX, BTX, or TFX form factors. It is a battery-free option for basic voltage verification. Unlike the Ejoyous model, it lacks an audible alarm system. You get simple visual readings for main power rails. This device is ideal for users who need a lightweight, straightforward tool. It is perfect for basic ATX checks without extra features. Pick this option if you prefer a no-frills approach to power supply testing and do not need peripheral connector analysis or audio warnings.
Quick picks
Our 7 picks
Ejoyous LCD Power Supply Tester
Best for: Testing multiple PSU form factors with LCD voltage display
- Form Factor
- ATX
- Display Type
- LCD Display
View on Amazon: Ejoyous LCD Power Supply Tester Affiliate link
This Ejoyous tester checks ATX, BTX, ITX, and TFX power supplies via a 20 or 24-pin connector. The LCD screen shows voltage and PG values. It also tests SATA, IDE, and PCIe cables with light indicators. A buzzer warns you when voltages go outside normal ranges. It suits builders who need clear readings for multiple form factors.
Pros
- Supports ATX, BTX, ITX, and TFX power supplies
- LCD screen displays voltage and PG values
- Tests SATA, IDE, 4-pin, 8-pin, and 6-pin PCIe cables
- Audible buzzer alarms when voltages are abnormal
Cons
- Only displays voltage on the LCD for the main 20-pin or 24-pin connector
- Cable tests use simple light indicators instead of voltage readings
- No mention of a carrying case or protective packaging
Good fit if
- You test various power supply form factors like ITX or TFX
- You want audible alerts for voltage errors
- You need a single tool for main board and peripheral cables
Skip if
- You require voltage readings for every single cable
- You prefer a digital multimeter for precise measurements
- You only test standard ATX supplies and need simpler tools
Verdict: Ejoyous ATX ITX BTX TFX LCD PSU Tester provides clear LCD readings for main connectors and audible warnings for errors. It fits builders who test multiple power supply types and want quick visual and audio feedback.
Optimal Shop 20+4 Pin LCD Power Supply Tester
Best for: Technicians needing multi-connector PSU verification
- Form Factor
- ATX
- Display Type
- LCD Display
- Dimensions
- 8.3 × 3.7 × 0.8 inches
- Weight
- 3.2 ounces
View on Amazon: Optimal Shop 20+4 Pin LCD Power Supply Tester Affiliate link
This Optimal Shop tester covers 20+4 pin ATX connectors and supports SATA, IDE, and PCIe power lines. The 1.8-inch LCD screen shows output voltages, and an aluminum alloy shell provides a durable, lightweight build. It includes a buzzer alarm for PG signal failures. You get a comprehensive tool for checking ATX, ITX, and BTX power supply health in a compact 8.3-inch device.
Pros
- Supports 20-pin, 24-pin, SATA, IDE, and PCIe connectors
- 1.8-inch LCD screen displays output voltage
- Aluminum alloy shell for durability and heat dissipation
- Buzzer alarm triggers on PG signal failure
Cons
- Screen is prone to scratching
- No protective film removal instructions included
- Limited to standard ATX power testing
Good fit if
- You need to test multiple connector types
- You prefer a durable aluminum build
- You want clear voltage readouts
Skip if
- You require a larger display screen
- You need to test non-ATX power supplies
- You prefer a plastic housing
Verdict: Optimal Shop 20+4 Pin ATX PSU Tester is a solid choice for technicians who need to verify multiple power connectors and voltage outputs in a single, durable device.
Optimal Shop LCD ATX Power Supply Tester
Best for: ATX and ITX power supply voltage checks
- Form Factor
- ATX
- Display Type
- LCD Display
View on Amazon: Optimal Shop LCD ATX Power Supply Tester Affiliate link
This Optimal Shop tester checks ATX and ITX power supplies using a 1.8-inch LCD screen. It supports 20-pin, 24-pin, SATA, IDE, and PCIe connectors. The aluminum alloy shell is lightweight and corrosion-resistant. A buzzer alarm signals PG number failures. You get clear voltage readings for +12V, +3.3V, and +5V on the left indicator.
Pros
- 1.8-inch LCD screen for clear voltage display
- Aluminum alloy shell for durability and heat dissipation
- Buzzer alarm for PG number failure detection
- Supports 20+4 pin, SATA, IDE, and PCIe connectors
Cons
- Screen is prone to scratching without protective film
- Only displays basic voltage readings
- Limited to ATX form factor testing
Good fit if
- You need a lightweight tester for ATX and ITX supplies
- You want clear LCD voltage readings
- You prefer an aluminum alloy build
Skip if
- You require testing for non-ATX form factors
- You need a scratch-proof screen
- You want advanced diagnostic features beyond voltage checks
Verdict: Optimal Shop 20+4 Pin LCD PSU Tester offers a durable aluminum build and clear LCD readouts for standard ATX and ITX power supplies. It is ideal for technicians who need reliable voltage checks and a compact, portable design.
Comidox 20/24 Pin LCD Power Supply Tester
Best for: Verifying ATX main connector voltages
- Form Factor
- ATX
- Display Type
- LCD Display
View on Amazon: Comidox 20/24 Pin LCD Power Supply Tester Affiliate link
This Comidox tester checks ATX, BTX, ITX, and TFX power supplies via a 20 or 24-pin connector. The LCD shows voltage and PG values with +/-0.01V accuracy. A buzzer warns you when outputs exceed normal limits. It is small, measuring 126x64x18.5mm. You can use it to quickly verify PSU health before installing it in your PC.
Pros
- LCD displays voltage and PG values
- Measures 3.3V, +5V, +12V, -12V, and SB+5V
- Buzzer sounds for fault alarms
- Supports 20Pin and 24Pin ATX interfaces
- Compact size of 126x64x18.5mm
Cons
- Does not display voltage for SATA, IDE, or PCIe connectors
- Only shows voltage on the 24pin or 20pin main connector
- No mention of a carrying case or protective packaging
Good fit if
- You need to verify ATX, BTX, ITX, or TFX PSU voltages
- You want visual feedback on LCD for each rail
- You prefer audible warnings for abnormal readings
Skip if
- You need voltage readings for SATA or PCIe cables
- You require a tester for non-ATX server power supplies
- You need a large display for easy reading from a distance
Verdict: Comidox 20/24 Pin LCD Power Supply Tester provides precise voltage readings for main connectors. It is ideal for technicians who need to verify ATX power supplies quickly and accurately.
ASHATA ATX LCD Power Supply Tester
Best for: Checking ATX PSU voltage stability and faults
- Form Factor
- ATX
- Display Type
- LCD Display
- Dimensions
- 3.94 × 1.97 × 0.79 inches
- Weight
- 2.82 ounces
View on Amazon: ASHATA ATX LCD Power Supply Tester Affiliate link
This ASHATA tester checks ATX power supplies using a 20/24-pin connector. It features an LCD screen that shows +12V, +5V, +3.3V, and other voltages in real time. The device measures voltage with 0.01V precision and alarms if readings fall outside normal ranges. It supports SATA, 4-pin, 8-pin, and PCI-E interfaces. Its small size and light weight make it easy to handle for quick maintenance checks.
Pros
- LCD display shows real-time voltage readings for multiple rails
- 0.01V precision for accurate voltage measurement
- Built-in buzzer alarms for abnormal voltage parameters
- Supports 20/24-pin ATX, SATA, and PCI-E connectors
Cons
- Only supports ATX form factor power supplies
- No mention of USB-C or digital data logging capabilities
- Basic LCD screen without backlight specification
Good fit if
- You need a portable tool for basic ATX PSU checks
- You want real-time voltage readings with an alarm
- You test multiple connector types like SATA and PCI-E
Skip if
- You require support for SFX or TFX power supplies
- You need advanced data logging or software connectivity
- You prefer a tester with a larger, backlit display
Verdict: ASHATA ATX Power Supply Tester with LCD is a compact, precise tool for verifying ATX power rail stability. It fits users who need quick, reliable voltage checks with audible warnings for unstable outputs.
ASHATA LCD Power Supply Tester
Best for: Quick ATX/ITX voltage verification with alarm
- Form Factor
- ATX
- Display Type
- LCD Display
- Dimensions
- 3.94 × 1.97 × 0.79 inches
- Weight
- 2.82 ounces
View on Amazon: ASHATA LCD Power Supply Tester Affiliate link
This ASHATA tester checks ATX, ITX, and BTX power supplies via a 20 or 24-pin connector. The LCD screen shows voltage readings with 0.01V precision. An automatic buzzer sounds when values fall within the normal range. The unit is small, measuring 3.94 by 1.97 by 0.79 inches. It weighs 2.82 ounces. You get a clear view of output stability without complex tools.
Pros
- LCD display shows voltage with 0.01V accuracy
- Automatic buzzer alarms for normal range values
- Tests ATX, ITX, and BTX form factors
- Compact size at 3.94 inches long
Cons
- Voltage display only works on the main 20/24-pin connector
- Peripheral connectors show only LED lights, not voltage
- No data logging or advanced analysis features
Good fit if
- You need a simple tool to verify PSU voltages
- You work with ATX, ITX, or BTX power supplies
- You want an audible alarm for quick status checks
Skip if
- You require voltage readings for SATA or PCIe cables
- You need to test TFX power supplies
- You prefer a device with digital data export
Verdict: ASHATA 20/24 Pin ATX PSU Tester with LCD is a compact tool for users who need quick, audible verification of main power rail stability. It fits builders who prioritize simple voltage checks over detailed peripheral analysis.
JacobsParts 20/24-Pin LCD Power Supply Tester
Best for: Basic ATX voltage verification
- Form Factor
- ATX
- Display Type
- LCD Display
- Weight
- 3.53 ounces
View on Amazon: JacobsParts 20/24-Pin LCD Power Supply Tester Affiliate link
This JacobsParts tester checks ATX, ITX, and BTX power supplies via a 20+4 pin connector. It displays +3.3V, +5V, +12V, and +VSB readings on an LCD screen. The unit weighs 3.53 ounces and measures 4.75 by 2.5 inches. It requires no batteries. You get a simple way to verify voltages without risking hardware damage during your PC builds or repairs.
Pros
- Tests +3.3V, +5V, +12V, and +VSB rails
- Compatible with ATX, ITX, and BTX forms
- No batteries required for operation
- Compact size of 4.75 x 2.5 inches
Cons
- Only checks standard ATX rails, missing 3.3VSB or other specific voltages if not listed
- Does not support PCIe, SATA, or HDD connectors despite title claims
- Limited to 20+4 pin connectors, excluding older 20-pin only units
Good fit if
- You need a lightweight tool for basic ATX testing
- You want a battery-free device for convenience
- You primarily work with ATX, ITX, or BTX cases
Skip if
- You require testing of SATA or HDD power connectors
- You need to check voltages beyond the standard four listed
- You prefer a larger display for easier reading
Verdict: JacobsParts 20+4 Pin LCD PSU Tester is a compact, battery-free option for verifying standard ATX voltages. It fits users who need a simple, lightweight tool for basic power supply checks without extra connector complexity.
Specifications side by side
| Spec | Ejoyous LCD Power Supply Tester | Optimal Shop 20+4 Pin LCD Power Supply Tester | Optimal Shop LCD ATX Power Supply Tester | Comidox 20/24 Pin LCD Power Supply Tester | ASHATA ATX LCD Power Supply Tester | ASHATA LCD Power Supply Tester | JacobsParts 20/24-Pin LCD Power Supply Tester |
|---|---|---|---|---|---|---|---|
| Form Factor | ATX | ATX | ATX | ATX | ATX | ATX | ATX |
| Display Type | LCD Display | LCD Display | LCD Display | LCD Display | LCD Display | LCD Display | LCD Display |
| Dimensions | not specified | 8.3 × 3.7 × 0.8 inches | not specified | not specified | 3.94 × 1.97 × 0.79 inches | 3.94 × 1.97 × 0.79 inches | not specified |
| Weight | not specified | 3.2 ounces | not specified | not specified | 2.82 ounces | 2.82 ounces | 3.53 ounces |
| Model | Ejoyousgg5720uhvb | Optimal Shop | Optimal Shop | not specified | not specified | not specified | not specified |
| Color | not specified | Black | Golden | Black | default | default | Black |
| Size | not specified | not specified | not specified | 126x64x18.5mm/4.95x2.51x0.72inch | not specified | not specified | not specified |
If you also manage workspace ergonomics, you can evaluate specs across ebello power recliner alternatives for motorized seating options.
Frequently asked questions
Which PSU tester supports the most form factors?
The Ejoyous LCD Power Supply Tester supports ATX, ITX, BTX, and TFX units. Other options like the Optimal Shop and Comidox models focus primarily on standard ATX connectors. If you need to test smaller or specialized power supplies, the Ejoyous device is the most versatile choice in this group.
Do all these testers include an LCD screen?
Yes, every device listed features an LCD display for voltage readings. This includes the Ejoyous, Optimal Shop, Comidox, ASHATA, and JacobsParts models. The screen allows you to see output values clearly without needing external software or complex multimeter setups during your power supply verification process.
Which tester is the most compact?
The ASHATA ATX LCD Power Supply Tester is the most compact option. It measures 3.94 by 1.97 by 0.79 inches and weighs 2.82 ounces. This small footprint makes it easy to store in a toolbag or carry to different workstations for quick power supply checks.
Is there a battery-free option available?
The JacobsParts 20/24-Pin LCD Power Supply Tester does not require batteries. It draws power directly from the unit being tested. This design keeps the tool lightweight at 3.53 ounces and ensures you never need to replace power sources while performing basic ATX voltage verifications.
Which tester is best for technicians needing durability?
The Optimal Shop LCD ATX Power Supply Tester features a durable aluminum build. This construction helps it withstand frequent use in professional environments. It provides clear LCD readouts for standard ATX and ITX power supplies, making it a reliable tool for technicians who need consistent performance.
Do these testers provide audible warnings for faults?
Several models include audible warnings for unstable outputs. The Ejoyous and ASHATA testers use sound to alert you to errors. This feature allows you to identify power supply issues quickly without constantly staring at the LCD screen, which is helpful during busy assembly or repair sessions.
Which tester is best for verifying main connector voltages?
The Comidox 20/24 Pin LCD Power Supply Tester is ideal for verifying main connector voltages. It provides precise readings for ATX power supplies. This focus on accuracy makes it a strong choice for technicians who need to confirm that primary power rails are functioning within expected parameters.