
I wanted to test my PSU before exposing it to my expensive PC components. The power supply tester did exactly that after I figured out how to use it (the instructions were a bit flimsy (for a beginner). Thankfully the videos came to the rescue again. I have no way of judging the quality of the footage or this is a good product and knowing that my power supply was good (or at least not very bad) was a great comfort to me as I was making my first home built computer in 20 years.I recommend it.

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