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My Cooler Master Silent Pro 1500 isn't enough? :(

post #1 of 5
Thread Starter 
So I just finished my build today. Tested my water cooling loops over night and got up this morning fired up and ready to turn the key.

Turns out it wont start up. When I unplug 1 video card it will start up sometimes. If I unplug 2 it's golden. (I have 4 way SLI)

Do I need a bigger power supply or could it be something else?

Here is the basics of what I have.. Keep in mind NOTHING has been overclocked yet. Soon as I have full power I can get to that.


Rampage IV Extreme... All power slots filled (24pin, 8pin and 4pin at the top, and 6 pin in the middle of the board.
4 GTX Titans... Each with an 8pin and 6pin
1 EK Bay Res/duel pumps 3.2 PWM
1 EK-D5 Duel Top pumps
12 Case Fans
1 Blue Ray Burner
2 SSD drives
2 storage drives
1 Asus Zonar Pheobus Sound Card (1 6pin)
8 Sticks of Dominator Platinum

I used ever possible connection coming from the power supply and every available slot to plug power into it.. lol

Before I did the build I saw 2 other computers online with similar setups that had this same power supply. One was overclocked
pretty heavily. So, I figured I would have enough. When looking at the different PSU calculators I put in my components and got suggestions all over the map from 1100w to 1900w.

I guess my question is do you think it's lack of power and if I go get that Hercules 1700w will I still be short on power?
I just don't see how the other guys got away with it. I have no option for a second PSU only a bigger one. My case if full.

thanks for any and all help
post #2 of 5
You won't need a 1500w... until you start overclocking. I don't know how much 4Titan's pull at load, but I'm guessing you'd want to check and see if your PSU cables are working first of all.

Throwing more watts won't solve everything... I highly doubt you'd need a 1600/1700w PSU for your setup though.
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Little Black Box
(17 items)
 
Vostro
(7 items)
 
Galaxy S4
(7 items)
 
CPUMotherboardGraphicsRAM
Core 2 Duo T5670 Dell OEM Intel GMA 950 3Gb DDR2-667 
Hard DriveOSMonitor
WD Scorpio Blue 250Gb Linux Ubuntu 12.10 x64 15.4" Tru-Bright 1280x800 
CPUMotherboardGraphicsRAM
Snapdragon 600 MSM8960 Adreno 320 2GB LPDDR 
Hard DriveOSMonitor
16GB+16GB Jelly Bean 4.2.2 JDQ 1080p 
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post #3 of 5
Thread Starter 
I'll try swapping the cables going from the 4th card to and see if they
Work on the first card. That will at least tell me if the cable is bad. But a bad cable on
One card doesn't make sense as to why it would keep the whole system from booting.

Either way I'll try moving some cables around and see what kind of results I get.

I'm anxious to get this thing overclocked and benchmarked smile.gif
post #4 of 5
Thread Starter 
After swapping wires around it turns out that I do have one bad one that doesn't work on any card. It's a 4x2 or 8pin EPS that I have going to an 8 pin PCI-Express extension plugging into my video card. I have two of these extension cables and neither of them works. Am I'm missing something? I guess there is a chance that both of my extensions are bad or the 8pin EPS coming from the PSU is bad? Or can I not convert EPS to PCI- E for a video card?
Edited by Hockeytyme - 10/26/13 at 5:11pm
post #5 of 5
Thread Starter 
Well, I'm still curious on my question above. But in the meantime I found some other wire combinations that work and I have 4 cards working smile.gif
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