So the psu states this specs. It is the coolermaster igreen 500w with active pfc. As i don`t really understand about psus my question is, how many amps is it giving to the +12v, and if it is enough to power an 8 series gfx or two high end ati cards in crossfire.
And please do not send my back to the psu threads
It should handle a basic 8800gtx system without an issue, a typical E6600/1hdd/1dvd/2fan system would hardly crack +12v@21A of system demand. The same system with a x1950xtx crossfire, you're approaching +12v@27A so that would be a little too close for comfort - personally I would plan for a larger unit in that case.
sorry not enough for 8 sreies maybe but with problems do you have dual 12+
I am in dissagreement, with proof: my PSU is a Antec TPII-480 blue, with a similiar +12v@33A rating - and I have an 8800gts 320mb...
opty175 & Scythe SCNJ-1100P
EVGA 133-K8-NF41 & G.Skill F1-3200PHU2-2GBZX (2x1GB 2-3-2-5) EVGA 8800gts 320mb
3 x hdd's & 1 x dvd old Gateway 500mhz server case & 2 x 120mm fans & aerocool gatewatch
Antec TPII-480 blue
So on my system i currently have :
msi p965 platinum
intel core 2 duo 2.13ghz
2x sata hdd
1x30??mm fan (for northbridge)
thermaltake bigwater watercooling (has 1x120mm fan)
xfx 7600gt xxx edition.
1x usb bluetooth
1x usb gamepad
1x usb hdd that gets externall power
So with these currently on my system, i can run an 8 series gfx or 2 ati crossfire even when the new dx10 ati gets out???
I know that the system draws a lot of power, but have no idea how to calculate the amperes needed and if they are enough .
It amazes me how people think they need 100000000W for their systems. As far as im aware most systems will run just fine on a 500W supply. I have also seen evidence of a quad core, 2gb ram, 2x8800gtx's, 4xhdd and other stuff running on a good quality 550W supply with no problems.
Quality and stability are the most important aspects of choosing a new psu in my opinion
mpilch is right (as usual). Best at advice I have is to pay $1.95 for extreme PSU calculator plus edition after having read mpilch's PSU run downs (very nice btw). The problem is some of the smaller wattage PSU's can run 7 series SLI but may not be able to run 8800GTX (note: GTX) SLI, depends on the PSU (not that you were asking about SLI). The GTS isn't too bad power draw wise, the GTX is really where the power draw gets turned up (in the neighborhood of 14-16a, if I remember).
Mpilch, I am depressed. I read your thread, calculated my 12v amperage and determined my current PSU can't run a 8800GTX and handle my OC w/enough room on the 12v rails. I think it came out .5a away from my PSU's max when I spec'd the system at 100% TDP (I tend to leave F@H running, I know that won't load the GPU's 12v draw). Way too close for my comfort.