Digital LCD ATX Power Supply Tester, 20Pin 24Pin PSU Diagnostic Tool with SATA 4Pin HDD Connector Ports, PC Computer Power Source Voltage Detector for Desktop Repair & Maintenance

This professional digital LCD power supply tester is an essential tool for PC maintenance technicians, IT workers and computer DIY enthusiasts to quickly diagnose the health status of ATX desktop power supplies.

Different from simple indicator light testers, it is equipped with a high-definition LCD digital display screen that can accurately show the real-time voltage of 3.3V, 5V, 12V and other output circuits, allowing users to directly judge whether the power supply has voltage instability, insufficient output or aging failure problems.

It covers mainstream power supply interface tests, including 20Pin and 24Pin motherboard main power sockets, 4Pin CPU auxiliary power port, as well as SATA hard drive power connectors. Users can plug in the corresponding power supply cables in one go to complete comprehensive detection of the whole power output loop, effectively avoid motherboard, hard disk and other hardware damage caused by faulty power supply.

The tester adopts a solid plastic shell with integrated circuit board inside, stable and durable for long-term repeated use. It does not require an external power supply or built-in battery, it is automatically powered on and activated after connecting the ATX power supply, with zero complicated operation steps. Widely used in computer assembly, old machine troubleshooting, power supply replacement inspection and daily hardware safety detection work.