MegaWatt vs. Chinese Imitation 30 amp switching power supply comparison

In an earlier thread about the various switching power supplies available on Amazon, there were questions posted about the difference between the authentic American made MegaWatt 30 amp supply and the cheaper Chinese imitation supply. I've purchased both supplies and used them extensively with my Elecraft K3 and can now report on the major difference.

First, here are links to the two supplies in question:

MegaWatt 30 amp switching power supply:


Chinese 30...

MegaWatt vs. Chinese Imitation 30 amp switching power supply comparison