Yes. Cases are just metal and plastic boxes. Some include cheap power supplies, but if you can afford it, get the power supply separately, because you can get a better quality unit.
Yes. Cases are just metal and plastic boxes. Some include cheap power supplies, but if you can afford it, get the power supply separately, because you can get a better quality unit.
If you're asking if PC cases come with a motherboard, no they don't, so you'll definitely need to buy one if you haven't already got one for your build.