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post #1 of 8 (permalink) Old 02-22-2009, 03:28 PM - Thread Starter
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I know this has been asked like a million times already, but I am putting together a photoshop rig for my wife, who uses Adobe PS3. I am using my older P35 board, with 3 HDs, and 3 120mm fans total, E8500 which I hope to overclock to 3.9ghz. The PSU I will be using is Antec EA380, and I will only be using a 8400GS 256mb GPU.

Will the 380W PSU do?
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post #2 of 8 (permalink) Old 02-22-2009, 03:34 PM
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I would say thats a little small for that system. Id say something along the lines of a 500w psu would be better. Something like this pc power and cooling 500w Remember PSUs' are the heart of your rig, DO NOT buy a cheapy. You will regret it later.

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post #3 of 8 (permalink) Old 02-22-2009, 03:35 PM
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Yeah, the 380 will handle it like a champ
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post #4 of 8 (permalink) Old 02-22-2009, 03:40 PM
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EA380 is a solid psu can do 320w on 12v. E8500 OC to 3.9 is round 105 to 115w depending on the vocre. The 8400GS is around 40w so it should be fine if you don't any upgrade. If you have some upgrades, the PCP&C 500w BlackOmega suggested above is a good one.
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post #5 of 8 (permalink) Old 02-22-2009, 04:50 PM
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Only reason I suggested a larger Wattage PSU is because most boards themselves call for at least 400. My old DFI lanparty ultra D calls for a 400w PSU minimum. So I'm assuming a more modern board would have similar specs for power input. Not to mention its going to be running 3 HDD and several fans.

Go high, do you have the manual for the board? You should see if they suggest a minimum wattage.

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post #6 of 8 (permalink) Old 02-22-2009, 04:57 PM
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The motherboard doesn't actually take up much wattage. It is 80% or so CPU and GPU, then 10% hard drives and memory, followed by less then 10% everything else. If you keep the voltage low on the E8500 then it should really be fine. That system on idle should not use more then 100 watts of power, and even using photoshop, I can't see that system peaking at 100% load for more then a few minutes, if ever. Even at full load the PSU should handle it.
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post #7 of 8 (permalink) Old 02-22-2009, 05:04 PM
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Originally Posted by mothergoose729 View Post
The motherboard doesn't actually take up much wattage. It is 80% or so CPU and GPU, then 10% hard drives and memory, followed by less then 10% everything else. If you keep the voltage low on the E8500 then it should really be fine. That system on idle should not use more then 100 watts of power, and even using photoshop, I can't see that system peaking at 100% load for more then a few minutes, if ever. Even at full load the PSU should handle it.

Very true, but I always err on the side of caution. I rather have too much power and have my PSU run at a higher efficieny rate than a minimum spec one that Im constantly pushing. Ive read too many posts about people running what I would consider an inadequte PSU, and it fails. Sometimes taking other hardware with it. I rather have too much than not enough.

How to: Rewire proprietary Dell server Delta fans to work on any motherboard
Quote:
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post #8 of 8 (permalink) Old 02-22-2009, 05:04 PM
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you should be just fine its usually the gpu that sucks the most juice and the 8400gs is by no means a power guzzler. if you ever update your gpu in the future then you'll need a bigger psu, but as of now with that setup youre good to go.

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