Is 300w enough for my setup? Should I be worried?
Running a m-ITX rig with a mildly OC'ed i3-530 and a GTX 560Ti from ASUS ("Superclocked") on a 300w Silverstone SFX PSU (80+ bronze certified)
Is it enough? Do I have some more room for OC?
You probably don't "need" one, but your system can probably pull the full 300W from the unit under extreme loads. If you fold with both CPU/GPU or find yourself heavily stressing your entire system a lot, I would look into a unit with more rated wattage.
Just look at the TDP's of your GPU and CPU. 170W+72W=242W, add some for the rest of the components and a little more for an OC. (itx motherboards usually don't pull much though)
no more than 150 watts for the system alone, save you went mental on the juice.
could be as low as 100-125 though.
and for the 560, regular 3d gaming,.,,maybe 165 watts?
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so depending on your psu, if it can hold 300 watts day and night yes if not maybe get something beefier.
Personally i would be, you're driving a lower high end card which is already overclocked on a power supply which is also having to supply power to an overclock processor. I'd bump up to at least 450W otherwise i could see that psu biting the dust if the entire system is ever loaded for a long duration.
Also folks, dont forget most PSUs are only 80% efficient near full load, so essentially his power supply would actually pulling an extra 20% most likely with that set up driving the power supply HARD.
its a $70 purchase, so I better be damn sure I'll need it...
I think you're kind of pushing it though I don't know how many peripherals you have tacked on. At load your system is already around 250-275W, and with 80% efficiency it's closer to 250W if anything. An i7-920 system paired with the 560ti at load uses just over 300W. You could probably do a small OC on the CPU but the tradeoff for heat/noise from the power supply is up to you.
why dont you invest in a 10-20 dollar kill a watt? will save you white hairs in the long run
how? what i do is i plug it in, and power it up. i look at idle juice being pulled at the wall of course.
id the idle numbers are higher than what id expect, i wont load either cpu/gpu and shut it down. if they look
normal, then i start up prime, look at the numbers then try 3dmark.
say your psu can do 300 watts on the 12v line..mkay?
and prime+3dmark shows no more than 300 at the wall? youre cool. given its a good psu.
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You have a pretty solid unit, as long as you're not CPU+GPU folding or doing something else that stresses your system beyond heavy gaming, you'll be fine.
peripherals include a mouse + keyboard, charger for iphone + Kindle, and USB DVD drive, occasionally a printer too... and I have 2 USB ports leftover.
Running an SSD and a 7200rpm 3.5" drive.. along with 1 fan and a corsair H50... 2 sticks of ram... nothing else I think..
Obviously your PSU will run your setup, but you are at the limit. Your running a nice video card and don't think its worth the risk of killing it. Grab a quality PSU of 450w minimum. I would go around the 500w mark.
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