Should you get an ATX or SFX power supply for your PC?
(Windows Phone Central)

Best answer: Unless you specifically need a smaller SFX power supply because you`re building a small form factor PC, you will find much more choice with ATX in both hardware and price. ATX vs. SFX: It`s all in the size The important point to remember is that these two terms relate to a size of power supply, not a spec. One isn`t necessarily better than the other. And that`s physical size, too, not capacity. SFX power supplies are physically smaller units than ATX power supplies, and that`s the main reason you`d want one. An increasing number of small form factor PC cases simply don`t have the space required for a full ATX power supply. That`s where SFX comes in. ATX is the most likely choice It`s possible to get confused when considering an ATX power supply if you`re also using a Micro-ATX or Mini-ITX motherboard in your PC. The size of the motherboard will always be described in your case. But ATX power supplies don`t only apply to ATX cases. In fact, you`re more than likely ...