Digital LCD ATX BTX PC Power Supply Tester, 20/24 Pin Motherboard PSU Voltage Checker with SATA HDD Port, Portable Voltage Diagnostic Tool for Desktop Computer Hardware Fault Detection and Repair

This digital LCD computer power supply tester is a practical diagnostic tool for desktop PSU inspection and hardware maintenance. Equipped with a high-resolution LCD screen, it can real-time detect and display 3.3V, 5V, 12V, -12V, 5VSB and other core output voltages of the power supply, helping technicians and DIY enthusiasts quickly judge whether the power unit works normally.

It fully adapts to mainstream ATX and BTX power supplies on the market, with complete interface coverage including 20Pin/24Pin main motherboard power port, SATA hard drive power port, PCI-E graphics card power port, 4Pin CPU auxiliary power port and floppy drive power port. Just plug each power cable into the corresponding socket, and the tester will automatically start measurement and give abnormal prompts once overvoltage, undervoltage or unstable output occurs.

The compact integrated structure is lightweight and easy to carry, requiring no driver or external power source, truly plug and play. Widely used in computer repair shops, PC assembly workshops, hardware fault troubleshooting, second-hand power supply screening and personal electronic DIY projects, effectively avoiding motherboard, hard disk and graphics card damage caused by faulty power supply output.