The Power Supply Tester is designed to test various power supply outputs such as +5v, -5v, +3.3v, -12v, and PG signals, making it an essential tool for troubleshooting and ensuring the performance of computer systems. With an ATX form factor, this tester is specifically designed to work with ATX connectors, providing convenient and reliable testing capabilities for power supply units. Ideal for professionals and enthusiasts looking to verify the functionality of their power supplies, this tester offers a compact and efficient solution for analyzing power supply performance.