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moooar powah?!

post #1 of 20
Thread Starter 
Will i need more power when adding a 4th Lightning Extreme? Also on top of that i will be going with a 3960x and a rampage extreme mobo in about a month.


I currently have an AX 1200, should i get a more powerful single PSU or just throw in a lower or similar wattage unit from Corsair?
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post #2 of 20
No. There arent many power supplies better than that anyway.
     
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post #3 of 20
Quote:
Originally Posted by sockpirate View Post

Will i need more power when adding a 4th Lightning Extreme? Also on top of that i will be going with a 3960x and a rampage extreme mobo in about a month.
I currently have an AX 1200, should i get a more powerful single PSU or just throw in a lower or similar wattage unit from Corsair?

You'll be better off swapping the AX1200 for a HCP1200 or MaxRevo1500, adding a second PSU is a poor way of solving a simple problem.
post #4 of 20
Thread Starter 
Quote:
Originally Posted by alltoasters View Post

No. There arent many power supplies better than that anyway.

I am pretty sure i will need a higher wattage PSU if i want to have the 4 cards running at a 950 OC and the 3960x somehwere around 4.8-5.3 ghz. No?
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post #5 of 20
Thread Starter 
thoughts anyone ?
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ASUS 23.5@ 1920x1080 120hz Logitech G110 Black USB Wired LED Backlit Corsair AX 750 Corsair Air 540 
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Intel 520 Series 120GB WD Caviar Black 1TB NZXT Havik 140 W7-Home Edition x64bit 
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post #6 of 20
I think it would be best to get another ax1200 so the specs match.
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Enermax Platimax 1500W Cosmos S 
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post #7 of 20
MaxRevo1500 Would be a nice replacement
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post #8 of 20
Thread Starter 
Quote:
Originally Posted by boost View Post

MaxRevo1500 Would be a nice replacement

Even with everything Overclocked to the max?
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Air 540
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post #9 of 20
HCP-1200 is all I can say smile.gif

From the PSU guru himself:
Quote:
Well for 1350W, 1500W PSUs, etc. you've got Channel Well PUC units, which are outdated, although the newer Thermaltake 1350W is pretty good. You've got the Silverstone ST-1500, which is decent but just an average performer. And you have the Enermax MaxREVO, which would be good except it has really mediocre voltage regulation. Oh, also the Ultra X4 1600W, but that's a piece of crap.

So you take a step back. What else is out there? The Corsair AX1200 and Antec HCP-1200. Both of these power supplies do 80PLUS Gold at 1200W; but can pull 80PLUS Silver or Bronze up to hundreds of watts higher. The HCP-1200 is confirmed to do 2200W input, or around 1700W output, continuous. I wouldn't want to do it 24/7, but it can handle it with ease for shorter periods. In addition it has the highest build quality of any of the 1200W+ PSUs, meaning it's the most reliable; and it has 1-2% voltage regulation up to its rated wattage and ripple under 20mV on +12V and under 10mV on the minor rails. You can't get better electrical performance than that. And as said, it can do 1700W safely, and can probably pull 1500W 24/7 if well ventilated.

I can confirm that the Corsair AX1200 can do at least 1300W, but haven't seen anyone ask more of it. It's physically capable of going nearly as high as the HCP-1200, but may be limited by its over power protection. Performance is nearly as good, but build quality is just a bit less impressive. Still a top-notch unit, and should be able to dance with the 1350W units at least.
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it looks alive
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post #10 of 20
Quote:
Originally Posted by sockpirate View Post

Even with everything Overclocked to the max?

Someone else on here had QUAD SLI 580s with one MAXrevo and it couldn't handle it, you need 2 PSUs.
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M4 128GB,C300 128GB, F3 1TB  480mm RAD, 655/top, 250mm RES, EK LX CPU Block windows 7 PRO 64bit Asus PB278Q 
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Enermax Platimax 1500W Cosmos S 
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Core i7 2600k ASUS P8Z77-V MSI GT 610 1GB Corsair 1333mhz 16GB 
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Main Rig
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Work Rig
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CPUMotherboardGraphicsRAM
5820k Asus X99 Deluxe MSI GTX980 Ti Gaming/EK GPU Block Corsair 16GB 
Hard DriveCoolingOSMonitor
M4 128GB,C300 128GB, F3 1TB  480mm RAD, 655/top, 250mm RES, EK LX CPU Block windows 7 PRO 64bit Asus PB278Q 
PowerCase
Enermax Platimax 1500W Cosmos S 
CPUMotherboardGraphicsRAM
Core i7 2600k ASUS P8Z77-V MSI GT 610 1GB Corsair 1333mhz 16GB 
Hard DriveCoolingOSPower
Intel 330 60GB Cooler Master Hyper 212 EVO W7 Corsair CX500M 
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Cooler Master Elite 334U 
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