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Start your day with a laugh: Your computer uses how much power?

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post #91 of 100 (permalink) Old 04-10-2013, 02:34 PM
 
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Quote:
Originally Posted by Tecchie View Post

With my current setup (I know it's not much to shake a stick at but....)

ASUS P5E3 Premium [email protected]
16GB DDR3-1600 G.Skill Ripjaws X Series (yes, all 16GB works, stress tested with 30 runs on Intel Burn Test on Xtreme Mode)
2x120GB Corsair Force GT SSD Drives
one Seagate 500GB 7200RPM drive
one WD 1500GB 7200RPM drive
nVidia 8800GTX 768MB

Intel Core2 Quad Q9450 Overclocked to 2.8Ghz

Several 200MM Case fans, and two 120MM on my Corsair H70 cooler

System wattage at full tilt = 360W-385W (OCCT PSU stress test which pegs the GPU and CPU and memory, plus HDD benshes running in background)
thumb.gifthumb.gif

Why? Why put 16GB of RAM and 2 SSDs with a 8800 GTX?

And I'm betting you have a dual core LGA 775 or AM2 CPU too.
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post #92 of 100 (permalink) Old 04-10-2013, 03:13 PM
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Haha, I just ordered a 750w upgrade PS from EVGA, as compared to my current Corsair 600w. Have a couple of pretty heavily overvolted 680 4GBs and an old work horse 4GHz i7 920. Running Valley at full I get absolute maximum to somewhere in the 720-725 range - right there with the online PSU calcs. 1KW, that's what the aggregats here in Finland use to heat up saunas to 100°C

*edit
right, the 600w doesn't cut it. I get hard crashes on benchmarks, 100% probability on the EVGA furry-tessy doughnut for instance. Also my meter giving tose aforementioned readings of 700w+ - that poor Corsair must be crying itself to sleep every night. Also I wonder if it's even safe with that sort of PSD torture, but that's another discussion.
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post #93 of 100 (permalink) Old 04-10-2013, 04:08 PM
 
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Originally Posted by Nick_V View Post

Haha, I just ordered a 750w upgrade PS from EVGA, as compared to my current Corsair 600w. Have a couple of pretty heavily overvolted 680 4GBs and an old work horse 4GHz i7 920. Running Valley at full I get absolute maximum to somewhere in the 720-725 range - right there with the online PSU calcs. 1KW, that's what the aggregats here in Finland use to heat up saunas to 100°C

*edit
right, the 600w doesn't cut it. I get hard crashes on benchmarks, 100% probability on the EVGA furry-tessy doughnut for instance. Also my meter giving tose aforementioned readings of 700w+ - that poor Corsair must be crying itself to sleep every night. Also I wonder if it's even safe with that sort of PSD torture, but that's another discussion.

That proves how inaccurate those calculators are. You say you have some insane overvoltage and are just getting up there with the recommendation. The recommenders told me to get a 900w for my SLI 570s and I don't even use 450w.
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post #94 of 100 (permalink) Old 04-10-2013, 04:55 PM - Thread Starter
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"that poor Corsair must be crying itself to sleep every night"

LOL.

I didn't use any calculators when I chose my PSU. I was just like "oh 1000W....pshhh that should be plenty". Previously I was running a 955 with crossfire 5850's on a 650W supply, and it did a good job.

The calculators might be assuming worst case full load. P95 + Furmark is definitely "worst case" that I doubt is possible to match in a real scenario.

Quit OCN. Done with overmoderation.
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post #95 of 100 (permalink) Old 04-11-2013, 12:00 PM
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Originally Posted by Original Sin View Post

Cancel your order. smile.gif

1st. There isn't much point in making multi-rail units with OCP trip points set this high (40A+), it defies the purpose. wink.gif

2nd. The OCP trip points on the Lepa G 1600 are set at 35A per rail, and it really isn't that important, even 30A per rail would be plenty, if there are individual rails dedicated to each VGA (PCIe combo), CPU and peripherals (which is the case for the Lepa G 1600, and most other high end multi-rail units, as opposed to your current one or the 1.25KW version you just ordered).

3rd. Personally, I'd buy an Antec HCP 1000W, will easily power a third 680 added to that setup (at any clocks), and it provides the safety net associated with a multi-rail setup, as it does offer 40A for each VGA, for the CPU and for the peripherals.

4th. If you absolutely, positively, have to get more overkill, pick up an NZXT Hale90 V2 off NCIX or Newegg.

This. My HALE90 (OG Unit, haha) 850W can pump out over 1000W DC power without exceeding ripple specs, which is absolutely awesome. The new NZXT HALE90 V2 units, well, they improve upon THE MOST UNDERRATED PSU FAMILY IN A VERY LONG TIME!
The HALE90 V2 1000W or 1200W would be perfect, offering every connection you need, no multiple-rail fussing, and a direct 1-to-1 pinout. I can't really think of any other PSU's that offer ALL of the features the HALE90 V2 does, and gets such awesome performance...

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post #96 of 100 (permalink) Old 04-16-2013, 04:21 AM - Thread Starter
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I think I'm tripping the 30A current limit of V12_2. I tried moving some of it over to V12_4 with the molex PCI-e booster, but I think that rail then gets overloaded. Middle of a frag fest in BF3 where I was ace pin, *click*, desktop shuts off. Wanted to punch a kitten.rolleyes.gif

AX1200i yay or nay?

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post #97 of 100 (permalink) Old 04-25-2013, 11:58 PM - Thread Starter
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Final update with AX1200i + Corsair Link results:



PCI1 + PCI2 = GTX 680 #1
PCI5+ PCI6 = GTX680 #2
PCI4 + PCI 8 = CPU
PCI7 = Nothing = Glitch in reading.

Nearly 32A being used by each card, and nearly 22A being used by the CPU. Unsure why 24PIN measurement is 0.

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post #98 of 100 (permalink) Old 04-26-2013, 12:20 AM
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Yeah, I wouldn't trust that software for crap. lol. There is no way you are using almost 400w per card.

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post #99 of 100 (permalink) Old 04-26-2013, 12:26 AM - Thread Starter
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The software seems to have gotten a bad rap with initial versions, but Corsair has made many updates to it.

Plus the results agree with my Kill-a-Watt.

Stock 680 Lightning with LN2 bios is 300W. For this test I was running with +100mV Core+Memory and +50mV PLL. 380W seems plausible.

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post #100 of 100 (permalink) Old 04-29-2013, 09:53 AM
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Smasung 30nm Green RAM @ 1600Mhz CL8
Corsair H50
Scythe Gentle Typhoon AP-29
Akasa Apache 120mm x2
Corsair HX750w v1

Idle:
120-130w (bounces alot)

When nothing is overclocked, except RAM:
Furmark+P95 Large FFT: 498-505w from wall

Overclocked GPU (Core:950Mhz, Shader: 1900Mhz, VRAM:2175, vCore1.044):
Furmark+P95 Large FFT: 525-530w from wall

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