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Without a functional power supply, even the most well configured computers can experience glitches. Ranging from file corruption to system crashes, power supply problems can manifest themselves in a variety of different ways. Why not have a quick, convenient way to check this fundamental component on hand, to save time and possible expense? PSUTEST20 offers a built-in 25W 5.4ohm load to generate steady outputs, +5V, +3.3V and 12V leads for volt metering, making output voltages easy to check. With straightforward LED indication to let you know your Power Supply is functioning properly, this is the perfect solution for saving time and ensuring system stability.