Electronics and technology blog    /    Materials for 21.04.2026

While I was thinking about this article, I kept remembering an old and quite famous film with the unassuming title "Three Plus Two". Why? Because there are five power supplies: three of one type and two of another. They also fall into two pairs—100 W and 200 W—with one 400 W unit on its own. So today I'm reviewing two 100 W power supplies, two 200 W ones, and one 400 W unit. I think it'll be interesting :)