Quote:
Originally Posted by yoongkc
Anyway, another question is that, how do we know how much power is drawn? Is there a rough guide or we have to literally add up the stated power drawn on each component, like motherboard, harddisk, DVD writer etc.
|
I don't think it works this way. For example, if a manufacturer lists a video card's power requirement as 400W, that's the power requirement for an entire average system with the video card in it. The video card doesn't draw 400W of power on its own.
I wouldn't listen to any salesperson by the way. They'll just try to convince you that you need the biggest and most expensive power supply, lest your computer explode.
Quality is more important than quantity with power supplies.