[mythtv-users] Help with new Video Card (power supply requirements)

Travis Tabbal travis at tabbal.net
Fri Mar 12 20:43:32 UTC 2010

On Fri, Mar 12, 2010 at 1:19 PM, Paulin <paulin at spextreme.com> wrote:

> All,
> I just purchased a new video card (Jaton 498pci -
> http://www.newegg.com/Product/Product.aspx?Item=N82E16814139046).  Anyway
> I was getting ready to install it and one of the requirements on the box
> says minimum 450W power supply.   Anyway I checked my dell box and it told
> me the V 115 with 7 amp.  So simple math sells me 700+ watts.  Then I opened
> up the box and on the power supply there is a label.  It says that max power
> is 300 watts.
> So my question is my thinking correct, in that, I can't use this card
> because my power supply is maxed at 300w.
> Since V x A = W why does the power supply say 300 max?
> So should I return the card and look for something else or will this work?
It will probably work fine unless your other components draw a lot of power.
If it doesn't work, the power supply should shut itself down.

The power in will always be greater than power out. Nothing is 100%
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