The CPU comes ontop of that and the other parts aswell, HDD, fans, DVD/Bluray drives and RAM.
no it doesnt.
the 400 watts recommended are apparently for the entire PC not for only the graphics card.
and you never sent me an official link where it says that the GTX 550 Ti only uses 300-400 watt.
it is uttttttttttttttteeeeeeeeeeeeeeeeeeeeerrrrrrrrrrrrrrrrrrrrrrrrr bullshit
Actually i did, the Nvidia link.
And how is Nvidia to know which CPU you are using... One CPU could be 140 Watts other 125 and another could be 180 or even more... They recommend that PSU wattage for theat card alone.
Also comming back on that +12volt and 24Amps thing. Doing +12Volt x 24Amps = 288Watts, now this link says that the Nvidia GTX550 used 287Watts on load.
http://www.legionhardware.com/articles_pages/gigabyte_geforce_gtx_550_ti,8.htmlCoincidence ? No.
It will always use a constant of 24Amps, When a Graphics card is not being used it will drop back to about 5volts making it run at about 120Watts (Thats what they list, the idle power consumption) Its up to the customer usually to do the math on how much your Powersupply needs to be or have to run properly.
Heres my system:
CPU: AMD Phenom II x4 955 Black edition Requirement is 125Watts At +3,1/3,5volt x 35/40Amps
GPU: Powercolor HD5870 PCS+ Minimum System requirement 500Watt At +12volt x 40Amps
This together already makes up for 625Watts of my 650 Watts Powersupply.
The Graphics card will probably never use all of it i know that. But when it comes down to highend PC's You do really need a powerfull Powersupply.
If your smart you take my word for it. Because not only are these the cold hard facts, the proof is even there.
And Faraday said he did want to have a performance PC. So i dont know why you would pick out such low end stuff. Apart from the SSD.
I don't know if you have had tech class where you live, but here we do get it.
Heres something you have to learn when it comes to power consumption of anything:
http://www.ebtx.com/mech/ampvolt.htmMost important one is Watts = Amps x Volt (Amps being the constant)