The ATX 12V Power Supply Tester by Antec is a reliable unit designed to test 20 pin and 24 pin ATX power supplies. It features a sleek silver design and includes a voltmeter/power signal indicator for ease of use. This power module is a must-have for computer enthusiasts looking to ensure the optimal performance of their system. Reliable and efficient, this power supply tester is a valuable addition to any workshop or laboratory.