I have a Thermaltake Purepower 500w power supply that I bought off newegg but the 12v readings on the back of the box are different from the ones online (as well the box looks different):
Max Output Power (12V1): 25A (12V2): 18A Max Output Power(12V1 + 12V2): 420W
people on the reviews are reporting its giving more amps on the 12v as advertised as well
i'm wondering if this PSU can power an ati radeon 4890 along with my amd phenom ii x4 965 + 3 case fans + 2 hard drives + 2 sticks of ddr3 + dvd r/rw burner + said video card
thanks a lot and thanks rodney!
Newegg might have sent the wrong PSU. 420w is cutting it very close for that setup.
420W is what's available to the 12v rails, it's a 500w power supply.
The hardware in question will pull 400Watts at peak. Most PSU's will shut down at 80% load. 600Watt PSU would have been better. 25A (12V2) is better than some 500Watt PSU that only have 18A. Amp wise you should be fine, but the watts are questionable. Only way to find out if it works is to plug it all together.
I did some searching for that PSU. Does it come with only one 6pin pci-e connector? The 4890 will need 2 power ports, so an adapter might be needed. It might need one 6-pin + one 8-pin? Not sure..
yes it only comes with 1 but i have multiple molex to 6pin adapters and the card comes with one as well
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