Looking Beyond the BUBUCAM LCD Power Supply Tester? 6 Alternatives Worth a Look
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The bubucam PC power supply diagnostic alternatives list helps you find tools that match the BUBUCAM WU0037’s core capabilities. This tester displays voltage and PG values on an LCD while alerting you to errors. It supports ATX, BTX, ITX, and TFX formats. Its compact design and clear digital readouts make it a reliable helper for quick diagnostics. However, you might prefer a different size, weight, or connector layout. Some users need a more portable unit or a specific color finish. Others may want a model with a different build material or a simpler interface. We selected these alternatives because their specifications overlap with the original device. Each option provides LCD voltage monitoring for standard ATX connectors. You can compare their dimensions, weights, and supported pin configurations. This guide focuses on technical details to help you choose the right tool for your specific testing needs. The following 6 products offer similar functionality with distinct physical traits.
Our top pick: BUBUCAM LCD Power Supply Tester.
Comparing BUBUCAM to Other Options
Optimal Shop 20+4 Pin LCD Power Supply Tester
The Optimal Shop 20+4 Pin model offers a solid aluminum build, which may feel more durable than plastic alternatives. It measures 8.3 inches long and weighs 3.2 ounces. Like the BUBUCAM, it displays voltage on an LCD for ATX diagnostics. You lose the explicit support for BTX, ITX, and TFX formats found in the BUBUCAM. This unit focuses on standard ATX connectors. If you prioritize a sturdy, portable tool for common ATX power supplies, this is a strong choice. It lacks the multi-format versatility of the BUBUCAM but provides clear visual feedback for standard builds.
Optimal Shop LCD ATX Power Supply Tester
This Optimal Shop tester features a golden finish and supports standard ATX, SATA, and PCIe connectors. It shares the LCD display feature with the BUBUCAM, allowing you to read voltage outputs directly. However, it does not list support for BTX, ITX, or TFX power supplies. The BUBUCAM covers these additional form factors. This option is robust and suitable for verifying voltage across standard peripheral connectors. If your work is limited to standard ATX and peripheral power checks, this tool is effective. You trade the BUBUCAM’s broader format compatibility for a dedicated focus on standard PC power diagnostics.
Comidox 20/24 Pin LCD Power Supply Tester
The Comidox tester measures 4.95 by 2.51 inches and is designed for basic ATX voltage checks. It provides accurate readings via an LCD display, similar to the BUBUCAM. However, it does not explicitly mention support for BTX, ITX, or TFX formats. The BUBUCAM includes these capabilities. This unit is compact and suitable for users who need a simple, reliable tool for standard ATX diagnostics. If you only test standard ATX power supplies, this budget-friendly option works well. You give up the multi-format versatility of the BUBUCAM but gain a straightforward device for common power supply testing.
ASHATA ATX LCD Power Supply Tester
The ASHATA ATX tester is compact, measuring 3.94 inches long and weighing 2.82 ounces. It provides precise voltage readings on standard ATX connectors via an LCD. Like the BUBUCAM, it offers audible alerts for troubleshooting. However, it does not list support for BTX, ITX, or TFX formats. The BUBUCAM covers these additional types. This unit is ideal for users who need real-time data and alerts for standard ATX builds. If your focus is strictly on standard ATX power supplies, this small tool is efficient. You sacrifice the BUBUCAM’s broader format support for a compact, precise diagnostic device.
ASHATA LCD Power Supply Tester
This ASHATA 20/24 Pin tester is identical in size and weight to the previous ASHATA model. It measures 3.94 inches long and weighs 2.82 ounces. It displays voltage on an LCD and provides audible alerts for standard ATX diagnostics. It does not mention support for BTX, ITX, or TFX formats. The BUBUCAM includes these capabilities. This tool is suitable for users who value precise readings and clear data for standard ATX builds. If you only test standard ATX power supplies, this compact option is effective. You trade the BUBUCAM’s multi-format versatility for a focused, reliable tool for common power supply verification.
JacobsParts 20/24-Pin LCD Power Supply Tester
The JacobsParts tester supports ATX, ITX, and BTX power supplies, which overlaps with some of the BUBUCAM’s capabilities. It displays voltage on an LCD and is battery-free. It weighs 3.53 ounces. However, it does not explicitly mention TFX support, which the BUBUCAM includes. This unit is suitable for builders needing a simple tool for verifying standard power rails. If you work with ATX, ITX, and BTX supplies, this is a viable option. You lose the TFX support found in the BUBUCAM but gain a straightforward device for common form factor diagnostics.
Quick picks
Our 7 picks
BUBUCAM LCD Power Supply Tester
Best for: Testing multiple PC power supply formats
- Form Factor
- ATX
- Display Type
- LCD Display
View on Amazon: BUBUCAM LCD Power Supply Tester Affiliate link
This BUBUCAM tester checks ATX, BTX, ITX, and TFX power supplies. It uses an LCD screen to show voltage and PG values. The display reads voltage to within +/-0.01V. It also sounds an alarm if values are wrong. This tool helps you quickly see if a power supply is working. It is good for checking various PC power formats.
Pros
- LCD display shows voltage and PG values
- Voltage accuracy of +/-0.01V
- Automatic error alarm for abnormal values
- Supports ATX, BTX, ITX, and TFX formats
Cons
- Only supports ATX form factor
- No mention of battery or power source
- No mention of cable length or connector type details
Good fit if
- You need to test multiple power supply formats
- You want precise voltage readings
- You prefer visual and audio alerts
Skip if
- You only test ATX supplies
- You need a tester for server power supplies
- You want a tester with a USB connection
Verdict: BUBUCAM WU0037 ATX Power Supply Tester is a solid choice for technicians who need to check various power supply types. It offers clear readings and alerts for quick diagnostics.
Optimal Shop 20+4 Pin LCD Power Supply Tester
Best for: Portable multi-connector ATX power supply diagnostics
- 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
The Optimal Shop tester checks 20/24-pin ATX and SATA, IDE, floppy, and PCIe connectors. Its 1.8-inch LCD screen shows output voltages directly from the power supply. An aluminum alloy shell keeps it light at 3.2 ounces. A buzzer warns you if the PG signal fails. This compact tool suits technicians who need a portable, multi-connector diagnostic device for standard PC builds.
Pros
- Tests 8 connector types including 20/24-pin ATX, SATA, IDE, and PCIe
- 1.8-inch LCD screen displays voltage readings clearly
- Aluminum alloy shell provides durability and corrosion resistance
- Built-in buzzer alarm indicates PG signal failure
Cons
- Screen is prone to scratching without protective film removal
- Only supports standard ATX and legacy connectors
- No digital data logging or advanced protocol analysis
Good fit if
- You need a portable tester for multiple connector types
- You prefer visual voltage readings on an LCD screen
- You want a durable aluminum build for workshop use
Skip if
- You require testing for non-standard or proprietary connectors
- You need a device with data logging capabilities
- You prefer a larger screen for easier reading
Verdict: Optimal Shop 20+4 Pin LCD PSU Tester offers a solid aluminum build and broad connector support for standard ATX diagnostics. It fits technicians who value portability and clear voltage visualization over advanced data features.
Optimal Shop LCD ATX Power Supply Tester
Best for: Testing standard ATX and peripheral power connectors
- Form Factor
- ATX
- Display Type
- LCD Display
View on Amazon: Optimal Shop LCD ATX Power Supply Tester Affiliate link
This Optimal Shop tester checks 8 connector types, including 20/24-pin ATX, SATA, and PCIe. Its aluminum shell offers durability and heat resistance. The 1.8-inch LCD displays voltage readings directly from the power supply. A buzzer alerts you to PG signal failures. It is a practical tool for diagnosing PC power issues across multiple standard interfaces.
Pros
- Tests 8 connector types including ATX, SATA, and PCIe
- Aluminum alloy shell for durability and thermal conductivity
- 1.8-inch LCD screen displays output voltage clearly
- Buzzer alarm signals PG number failures
Cons
- Screen is prone to scratching without protective film
- Only displays +12V, +3.3V, and +5V for non-ATX connectors
- Limited to standard ATX form factor testing
Good fit if
- You need to test multiple connector types like SATA and PCIe
- You prefer a durable aluminum build over plastic
- You want clear voltage readings on an LCD screen
Skip if
- You require testing for non-standard or proprietary connectors
- You need detailed current or wattage measurements
- You are looking for a wireless or app-connected device
Verdict: Optimal Shop 20+4 Pin LCD Power Supply Tester is a robust diagnostic tool for users who need to verify voltage outputs across standard ATX, SATA, and PCIe connectors. It suits technicians who value physical durability and clear visual feedback.
Comidox 20/24 Pin LCD Power Supply Tester
Best for: basic ATX power supply voltage checks
- Form Factor
- ATX
- Display Type
- LCD Display
View on Amazon: Comidox 20/24 Pin LCD Power Supply Tester Affiliate link
The Comidox tester checks ATX, BTX, ITX, and TFX power supplies. Its LCD screen shows voltages for 3.3V, 5V, 12V, -12V, SB+5V, and PG with +/-0.01V accuracy. A buzzer alerts you to faults. It fits 20-pin, 24-pin, SATA, 4/8-pin, and 6-pin PCIe connectors. You get a clear view of output stability without complex setup.
Pros
- LCD displays voltage and PG values with +/-0.01V accuracy
- Automatic buzzer alarm for fault detection
- Supports 20-pin, 24-pin, SATA, 4/8-pin, and 6-pin PCIe
Cons
- Does not display voltage for 4-pin, 8-pin, or SATA connectors
- Compact size may feel small for some hands
- Single unit only, no multi-port capability
Good fit if
- You need to verify standard ATX power supply voltages
- You want automatic fault alerts via buzzer
- You test various connector types like SATA and PCIe
Skip if
- You require voltage readings for all connector types
- You prefer a digital multimeter for precise measurements
- You need to test multiple power supplies simultaneously
Verdict: Comidox 20/24 Pin LCD Power Supply Tester provides accurate voltage readings for standard ATX connectors. It suits users who need a simple, reliable tool for basic power supply diagnostics.
ASHATA ATX LCD Power Supply Tester
Best for: Standard ATX power supply voltage verification
- 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 power supply tester features an LCD display that shows real-time voltage readings for +12V, -12V, +5V, -5V, +3.3V, SB, and PG signals. It supports 20/24 Pin ATX, SATA, 4/8 Pin, and PCI-E 6 Pin connectors. The device measures voltage with 0.01V precision and triggers a buzzer alarm for abnormal parameters. It is a lightweight tool designed for quick diagnostics.
Pros
- LCD screen displays key voltage parameters and PG signals in real-time
- Supports multiple interfaces including 20/24 Pin ATX, SATA, and 6 Pin PCI-E
- High precision voltage measurement capability of 0.01V
- Built-in intelligent monitoring system triggers a buzzer alarm for faults
Cons
- Only supports 20/24 Pin ATX and related standard connectors
- No mention of USB-C or newer modular connector support
- Basic buzzer alarm only, no detailed error codes on screen
Good fit if
- You need to test standard ATX power supplies quickly
- You want real-time voltage readings with high precision
- You prefer a visual LCD display over simple LED lights
Skip if
- You require testing for non-standard or proprietary server PSUs
- You need support for USB-C or modern modular connectors
- You want a device with detailed error code explanations
Verdict: ASHATA ATX PSU Tester with LCD is a precise diagnostic tool for users who need to verify standard ATX power supply voltages. It fits those who value real-time data and audible alerts for quick troubleshooting.
ASHATA LCD Power Supply Tester
Best for: Verifying ATX power supply voltages with precision
- 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, BTX, and TFX power supplies. It features an LCD screen showing voltage with 0.01V accuracy. A buzzer sounds when readings are normal. It connects to the 20 or 24-pin ATX connector. The unit is small, measuring 3.94 by 1.97 by 0.79 inches. It weighs 2.82 ounces. You can use it to quickly verify output stability.
Pros
- LCD display shows voltage with 0.01V precision
- Buzzer alarms when test values are in normal range
- Compatible with ATX, ITX, BTX, and TFX formats
- Compact size at 3.94 inches long
Cons
- Voltage display only works on 20 or 24-pin connectors
- External SATA and P4/P6/P8 connectors show only light indicators
- Limited to 2.82 ounces weight with minimal feature set
Good fit if
- You need to verify ATX power supply voltages quickly
- You want a buzzer alert for normal readings
- You prefer an LCD screen over LED-only indicators
Skip if
- You need voltage readings for SATA or P4/P6/P8 cables
- You require a tester for non-ATX server power supplies
- You want a device with a larger display screen
Verdict: ASHATA 20/24 Pin PC Power Tester with LCD is a compact tool for users who need precise voltage readings on main connectors. It fits those who value audible alerts and clear digital data for standard ATX builds.
JacobsParts 20/24-Pin LCD Power Supply Tester
Best for: Basic ATX/ITX/BTX 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 on an LCD screen. The unit weighs 3.53 ounces and measures 4.75 by 2.5 inches. It requires no batteries. You can use it to verify voltages before installing components in your PC build.
Pros
- Tests +3.3V, +5V, +12V, and +VSB rails
- Compatible with ATX, ITX, and BTX supplies
- Includes SATA and HDD connectors
- No batteries required for operation
- Compact 4.75 by 2.5 inch size
Cons
- Only tests 20+4 pin connectors
- Does not test PCIe power rails
- Limited to basic voltage checks
Good fit if
- You need to verify standard ATX voltages
- You want a lightweight testing tool
- You prefer a battery-free device
Skip if
- You need PCIe rail testing
- You require 24-pin only testing
- You want advanced diagnostic features
Verdict: JacobsParts 20+4 Pin LCD PSU Tester provides essential voltage checks for ATX, ITX, and BTX supplies. It suits builders who need a simple, battery-free tool for verifying standard power rails.
Specifications side by side
| Spec | BUBUCAM 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 |
| Color | Black | Black | Golden | Black | default | default | Black |
| Model | WU0037 | Optimal Shop | Optimal Shop | not specified | not specified | not specified | not specified |
| Size | not specified | not specified | not specified | 126x64x18.5mm/4.95x2.51x0.72inch | not specified | not specified | not specified |
If you need hardware for an enclosed workbench setup, you can compare weidian industrial PC alternatives with fanless cooling.
Frequently asked questions
Does the BUBUCAM WU0037 support multiple form factors?
Yes. The BUBUCAM WU0037 handles ATX, BTX, ITX, and TFX formats. This makes it a versatile choice for technicians who need to test various power supply types in a single tool. You get clear readings and alerts for quick diagnostics across these different standards.
What is the best premium option for portable diagnostics?
The Optimal Shop 20+4 Pin LCD Power Supply Tester is the top premium pick. It features a solid aluminum build for durability and broad connector support. Measuring 8.3 inches long and weighing 3.2 ounces, it fits technicians who value portability and clear voltage visualization.
Which tester is best for basic ATX voltage checks?
The Comidox 20/24 Pin LCD Power Supply Tester is the best budget choice. It provides accurate voltage readings for standard ATX connectors. This simple and reliable tool suits users who need straightforward diagnostics without advanced data features. It measures 4.95 inches long.
Do these testers include audible alerts for errors?
Some models include this feature. The ASHATA ATX PSU Tester with LCD offers audible alerts alongside real-time data for quick troubleshooting. The ASHATA 20/24 Pin PC Power Tester also provides audible alerts and clear digital data for standard ATX builds.
Can the JacobsParts tester work without batteries?
Yes. The JacobsParts 20+4 Pin LCD PSU Tester is a battery-free tool. It provides essential voltage checks for ATX, ITX, and BTX supplies. This design suits builders who need a simple method for verifying standard power rails without relying on external power sources.
Is there a golden option for ATX diagnostics?
Yes. The Optimal Shop LCD ATX Power Supply Tester comes in a golden color. It is a robust diagnostic tool for verifying voltage outputs across standard ATX, SATA, and PCIe connectors. It suits technicians who value physical durability and clear visual feedback.
How heavy is the Optimal Shop aluminum tester?
It weighs 3.2 ounces. The Optimal Shop 20+4 Pin model is designed for portability with a solid aluminum build. Its dimensions are 8.3 inches long, 3.7 inches wide, and 0.8 inches high. This makes it easy to carry for field diagnostics.
Which tester is best for verifying standard ATX voltages?
The ASHATA ATX LCD Power Supply Tester is a precise diagnostic tool for this task. It fits users who value real-time data and audible alerts. It allows you to verify standard ATX power supply voltages efficiently during your troubleshooting process.