Looking Beyond the Yosoo Health Gear LCD Power Supply Tester? 6 Alternatives Worth a Look

Key differences in specs and use

BackPlanePro 300W TFX Power Supply

The BackPlanePro 300W TFX Power Supply serves a completely different purpose than the Yosoo tester. It is a replacement unit for Dell Inspiron 530s systems, not a diagnostic tool. You get a compact 300W power source with active PFC instead of voltage readings. Its dimensions are 2.56 by 3.35 by 6.89 inches, making it larger than the tester. It weighs 3 pounds. Choose this if you need to replace a failed TFX unit in a small form factor PC. It provides power rather than testing existing power. It lacks an LCD display or alarm because it is a component, not a maintenance device.

Apevia 300W TFX Power Supply

The Apevia 300W TFX Power Supply is another replacement component, not a tester. It targets users building or repairing small form factor PCs who need a direct TFX replacement. It offers standard voltage tolerances for system operation. The unit measures 3.23 by 2.5 by 6.75 inches and weighs 2.1 pounds. It is significantly bulkier than the Yosoo tester. You gain a functional power supply for your build but lose the ability to diagnose issues. This option suits builders who already have a multimeter for verification. It provides stable power for compact cases without the diagnostic features of a tester.

Optimal Shop 20+4 Pin LCD Power Supply Tester

The Optimal Shop 20+4 Pin LCD Power Supply Tester is a direct alternative for desktop PC builders. It focuses on verifying voltage outputs across various standard connectors. It shares the LCD display feature with the Yosoo unit. However, it is larger, measuring 3.7 by 0.8 by 8.3 inches and weighing 3.2 ounces. It is designed for quick checks of multiple connector types. You get a similar testing experience but with a different physical footprint. It fits users who need to inspect various ATX connector types rapidly. It lacks the specific buzzer alarm mentioned for the Yosoo model in some contexts. It is a practical tool for general desktop maintenance.

Optimal Shop LCD ATX Power Supply Tester

The Optimal Shop LCD ATX Power Supply Tester offers a compact solution for verifying standard PC power outputs. It is ideal for checking SATA and PCIe voltages without complex setup. It shares the LCD display attribute with the Yosoo tester. The unit is colored golden. It focuses on standard ATX and SATA power outputs. You get a straightforward tool for quick voltage checks. It is smaller and lighter than the BackPlanePro replacement unit. It suits builders who need to verify specific connector voltages efficiently. It lacks the explicit buzzer alarm description found in some other testers. It provides reliable data for standard desktop power supply verification.

Comidox 20/24 Pin LCD Power Supply Tester

The Comidox 20/24 Pin LCD PC Power Supply Tester provides accurate voltage readings and audible alerts. It supports ATX, BTX, ITX, and TFX units, similar to the Yosoo tester. It features an LCD display for clear readings. The dimensions are 4.95 by 2.51 by 0.72 inches. It is slightly larger in length and width than the Yosoo unit. It weighs approximately 3.2 ounces based on similar models. It is ideal for technicians needing quick fault detection. You get a robust tool for standard power supply diagnostics. It covers the same form factors as the Yosoo model. It is a practical choice for comprehensive power supply testing.

ASHATA ATX LCD Power Supply Tester

The ASHATA ATX LCD Power Supply Tester is a focused tool for checking standard ATX units. It shares the same dimensions as the Yosoo tester: 1.97 by 0.79 by 3.94 inches. It weighs 2.82 ounces. It features an LCD display for voltage verification. It is designed for quick and reliable voltage checks in desktop builds and repairs. You get a compact, portable tester that fits the same physical space. It lacks the explicit buzzer alarm mention in its primary description. It suits users who need a direct, no-frills testing solution. It is a practical alternative for standard ATX power supply verification.

Quick picks

Our 7 picks

1 Best overall

Yosoo Health Gear LCD Power Supply Tester

Best for: Standard ATX power supply voltage verification

Form Factor

TFX

Device Compatibility

PCs

Display Type

LCD Display

Dimensions

3.94 × 1.97 × 0.79 inches

Weight

2.82 ounces

View on Amazon: Yosoo Health Gear LCD Power Supply Tester Affiliate link

This ATX power supply tester checks 20 or 24-pin connectors and displays voltage readings on an LCD screen. It includes a buzzer alarm for defects and supports ATX, BTX, ITX, and TFX form factors. The device measures SATA, IDE, and external P4/P6/P8 outputs, though it does not display voltage for the latter. It is built with a durable plastic shell and weighs 2.82 ounces. You can use it to verify power supply health before installation.

Pros

• LCD display shows voltage and PG values for easy reading
• Buzzer alarm indicates defects to prevent further damage
• Supports 20/24 pin ATX, BTX, ITX, and TFX supplies
• Durable thick plastic shell construction

Cons

• Does not display voltage for external P4/P6/P8 outputs
• No mention of included cables or mounting hardware
• Limited to 24-pin maximum connector support

Good fit if

• You need to verify 24-pin ATX power supply voltages
• You want a buzzer alarm for quick defect detection
• You work with various form factors like ITX or TFX

Skip if

• You require voltage readings for external P4/P6/P8 connectors
• You need a tester for modular power supplies only
• You prefer a digital multimeter over an LCD display

Verdict: Yosoo Health Gear ATX Power Supply Tester offers reliable voltage monitoring with a buzzer alarm for 20/24-pin supplies. It fits technicians who need quick defect detection for standard ATX, BTX, ITX, and TFX units without external connector voltage data.

2 Also great

BackPlanePro 300W TFX Power Supply

Best for: Dell Inspiron 530s TFX replacement

Wattage

300W

Fan Size

80mm

Warranty

One Year

Form Factor

TFX

Dimensions

6.89 × 2.56 × 3.35 inches

Weight

3 pounds

View on Amazon: BackPlanePro 300W TFX Power Supply Affiliate link

This BackPlanePro unit is a 300W TFX power supply designed for slimline cases like the Dell Inspiron 530s. It features an 80mm silent fan for cooling and active PFC for efficiency. The grey unit measures 6.89 by 2.56 by 3.35 inches and weighs 3 pounds. It includes a one-year warranty. It suits users needing a direct replacement for small form factor systems.

Pros

• 300W output capacity
• 80mm silent fan
• Active PFC support
• TFX form factor

Cons

• Only 300W wattage
• 80mm fan size
• One-year warranty

Good fit if

• You need a TFX replacement for a Dell Inspiron 530s
• You require a slim 300W power supply
• You want active PFC efficiency

Skip if

• You need more than 300W power
• You require a larger ATX form factor
• You want a longer warranty period

Verdict: BackPlanePro 300W TFX Power Supply fits users replacing a Dell Inspiron 530s PSU who need a compact 300W unit with active PFC.

3 Best premium

Apevia 300W TFX Power Supply

Best for: small form factor PC builds

Wattage

300W

Fan Size

80mm

Form Factor

TFX

Dimensions

6.75 × 3.23 × 2.5 inches

Weight

2.1 pounds

View on Amazon: Apevia 300W TFX Power Supply Affiliate link

The Apevia TFX-AP300W is a 300W power supply designed for TFX form factor cases. It features an 80mm fan for forced air ventilation. The unit supports 115-230V AC input with 50/60 Hz frequency. It provides specific output rails for +3.3V, +5V, and +12V components. This unit suits users needing a compact replacement for small form factor PCs.

Pros

• 300W standard TFX power output
• 80mm fan for forced air ventilation
• Supports 115-230V AC input
• 5% tolerance on voltage outputs

Cons

• Smaller 80mm fan compared to standard 120mm units
• Lower 300W wattage limit
• Limited to TFX form factor compatibility

Good fit if

• You need a TFX form factor power supply
• You are upgrading a small form factor PC
• You require 300W of stable power

Skip if

• You need an ATX form factor unit
• You require more than 300W of power
• You prefer larger 120mm or 140mm fans

Verdict: Apevia 300W TFX Power Supply is a compact solution for small case builds. It fits users who need a direct TFX replacement with standard voltage tolerances.

4 Also great

Optimal Shop 20+4 Pin LCD Power Supply Tester

Best for: testing multiple ATX connector types

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 is an 8-in-1 ATX power supply tester with an LCD display. It checks 20-pin, 24-pin, SATA, IDE, floppy, and PCIe connectors. The 1.8-inch screen shows output voltages. A buzzer alarms if the PG signal fails. The aluminum alloy shell is lightweight at 3.2 ounces. It fits users who need a portable tool for checking multiple connector types on desktop power supplies.

Pros

• Tests 8 connector types including ATX, SATA, and PCIe
• 1.8-inch LCD screen displays voltage readings
• Aluminum alloy shell for durability and heat dissipation
• Buzzer alarm indicates PG signal failure
• Lightweight design at 3.2 ounces

Cons

• Screen is prone to scratching and requires protective film removal
• Only displays voltages for HDD, floppy, and PCIe connectors on side indicators
• Small 1.8-inch display may be hard to read in bright light

Good fit if

• You need to test multiple connector types on ATX power supplies
• You want a lightweight and portable testing tool
• You prefer visual voltage readings on an LCD screen

Skip if

• You require testing for non-ATX form factors like SFX
• You need a large, high-resolution display for easy reading
• You want to test power supplies without an LCD interface

Verdict: Optimal Shop ATX Power Supply Tester is a compact, multi-connector testing tool for desktop PC builders. It suits users who need to verify voltage outputs across various standard connectors quickly.

5 Also great

Optimal Shop LCD ATX Power Supply Tester

Best for: Checking standard ATX and SATA power outputs

Form Factor

ATX

Display Type

LCD Display

View on Amazon: Optimal Shop LCD ATX Power Supply Tester Affiliate link

This 8-in-1 tester checks ATX, ITX, and BYI connectors. It features a 1.8-inch LCD screen powered by the 20-pin or 24-pin connector. An aluminum alloy shell provides corrosion resistance. A buzzer alarm signals PG number failures. It displays output voltages for HDD, floppy, PCIe, and SATA connectors. You get a compact tool for verifying power supply outputs.

Pros

• Tests 8 connector types including SATA and PCIe
• Aluminum alloy shell for durability
• 1.8-inch LCD screen for voltage readouts
• Buzzer alarm for PG number failure detection

Cons

• Small 1.8-inch screen may be hard to read
• Screen requires peeling off protective film
• Limited to specific connector testing only

Good fit if

• You need to test multiple connector types
• You prefer a durable aluminum build
• You want visual voltage confirmation

Skip if

• You need to test non-standard connectors
• You require a larger display
• You are testing server-grade PSUs

Verdict: Optimal Shop ATX LCD Power Supply Tester offers a compact solution for verifying standard PC power outputs. It suits builders who need to quickly check SATA and PCIe voltages without complex setup.

6 Best budget

Comidox 20/24 Pin LCD Power Supply Tester

Best for: Testing ATX, BTX, ITX, and TFX power supplies

Form Factor

ATX

Device Compatibility

PCs

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. It connects to 20-pin or 24-pin connectors to display voltage and PG values on an LCD. The screen shows output for 3.3V, +5V, +12V, -12V, SB+5V, and PG. A buzzer sounds when values exceed normal limits. It also lights up SATA, IDE, and PCI-E connectors. The unit measures 126x64x18.5mm and is black.

Pros

• LCD displays voltage with +/-0.01V accuracy
• Automatic buzzer alarm for abnormal values
• Supports ATX, BTX, ITX, and TFX form factors
• Lights up SATA, IDE, and PCI-E connectors

Cons

• LCD voltage display limited to 20-pin or 24-pin connectors
• Does not display voltage for SATA, IDE, or PCI-E lines
• Small physical footprint may limit handling comfort

Good fit if

• You need to verify ATX, BTX, ITX, or TFX PSU outputs
• You want automatic audio warnings for voltage faults
• You require a compact tester for small workspaces

Skip if

• You need voltage readings for SATA or IDE lines on the LCD
• You prefer a tester without audible alarms
• You only test non-ATX server power supplies

Verdict: Comidox 20/24 Pin LCD PC Power Supply Tester provides accurate voltage readings and audible alerts for standard ATX, BTX, ITX, and TFX units, making it ideal for technicians who need quick fault detection.

7

ASHATA ATX LCD Power Supply Tester

Best for: Quick ATX voltage verification

Form Factor

ATX

Device Compatibility

PCs

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 tool checks ATX power supplies using a 20+4 pin interface. It features an LCD display that shows +12V, -12V, +5V, -5V, +3.3V, SB, and PG signals. The device measures voltage with 0.01V precision and triggers a buzzer alarm for abnormal readings. It supports SATA, 4Pin, 8Pin, and PCI-E connectors. Its small size and light weight make it easy to handle for routine maintenance.

Pros

• LCD screen displays real-time voltage and signal status
• 0.01V precision voltage measurement
• Buzzer alarm for abnormal parameters
• Supports 20/24 Pin ATX, SATA, and PCI-E connectors

Cons

• Only supports ATX form factor power supplies
• No mention of a carrying case or protective pouch
• Single unit purchase without additional probes

Good fit if

• You need to verify stable voltage outputs on standard ATX units
• You want a portable tool for quick bench checks
• You require audible alerts for faulty power supplies

Skip if

• You primarily test SFX or TFX power supplies
• You need to test modular PSU cables individually
• You prefer a digital multimeter for deeper diagnostics

Verdict: ASHATA ATX Power Supply Tester is a focused tool for checking standard ATX units. It fits users who need quick, reliable voltage verification for desktop builds and repairs.

Specifications side by side

Frequently asked questions

See also

• yeiwenl DIY computer case PC alternatives
• sunny health fitness essential power cage squat alternatives