Ruth's sister 20+4 Pin LCD Digital Power Supply Tester, ATX ITX BTX PSU Diagnostic Tool, Support PCIE SATA HDD Connector, PC Power Voltage Detector for Computer Hardware Repair & Troubleshooting

This Ruth's sister LCD digital power supply tester is a practical diagnostic tool for desktop computer power supplies. It supports both traditional 20pin and updated 24pin (20+4 Pin) main motherboard power connectors, widely matching ATX, ITX and BTX standard power supplies. It can connect PCIE graphic card power interfaces, SATA and HDD hard disk power connectors to monitor most common voltage rails of the power unit. The highclarity LCD screen shows realtime voltage readings, enabling you to quickly find out overvoltage, undervoltage or unstable output risks. Just insert corresponding power plugs into the tester, you can read diagnostic data immediately without complicated configuration. Compact lightweight structure is convenient for storage and carrying during repair work. You can test and verify PSU performance before installing it into computer chassis, effectively avoiding burnout damage to motherboard, hard drive, video card and other expensive hardware. Perfect for computer enthusiasts, repair technicians, DIY assembly and routine hardware inspection.