All Four KPE's Installed with 4-Way Semi-Parallel EK Water Block Manifold.
 

 

 
 

VC Water Loop Tested and KPE's Main Power/Cabling connected.
 

 

 
 

That is amazing Halloween.  How many PSUs you need for that?  Great job.

Grey_Beard
That is amazing Halloween.  How many PSUs you need for that?  Great job.

It has a Rosewill Hercules 1600W Strictly for the Four KPE's and a Thermaltake Toughpower 1200W for the ASUS RIV BE Motherboard and 4930K CPU.

It's Going to Be awhile before I can do any More Testing Since I have to Re-Load a Fresh Copy of Windows 7 X64.
 
I'll get back when it gets completed and I Finish the System Installation.
 
EDIT:
I ALSO have to Look for a SECOND Rosewill Hercules 1600W! 

so Hallow, give me your opinions on the two mobos.  Did you test both the black and the dark?

Q56_Monster
so Hallow, give me your opinions on the two mobos.  Did you test both the black and the dark?

First, I Haven't Even Unwrapped the EVGA X79 Dark.
 
Second, I've Got my Plate pretty Loaded up just trying to Complete the Setup on the ASUS RIV BE, Not to Mention that other Post about the Chiller Pump Failure!

Halo_003
 
Yeah I know I had the same issue running 2 295's @ 800+ and an i7 on a 1000W PSU, FPS would start dropping and then the whole system would just power off. Adding an 850W to it cured that issue. I would try one card on the TT 1200W first though to be sure and see if that works.
 
How bad was the pump failure?
 

Putting One Card on the 1200W didn't make any difference, so I'm going to try Just 2-Way SLI again to see what's going on.
 
The Pump (Which BTW is a underwater 120VAC Pond Pump I've always used in my Chiller) that Fed the MB/Vreg just Died, But I had a replacement for it and Now at Least the Chiller Loops are Functional again.

PM gunslinger and ask him about PSU'S and the power required for quad 780 sli. He'll hook you up with the right info.

.....wow.

Well, If it's not One Thing...It's Another,
 
First I Finally manage to Buy Four KPE's + Four EK WB's, and Now (Just to be on the Safe Side) I Need Four 1500W+ PSU's! 
 
BTW:
I've Been Surfing the Internet for Days and There are Absolutely NO 1500W - 1600W Single or Two Rail PSU's in Stock ANYWHERE!

Q56_Monster
Just buy some old used ones hallow. A good single rail 1200 off Fleabay, the marketplace, or any of the forum buy/sell sections. String em together.

When I Connected My Thermaltake 1200W that had ALL of the three 6-pin and three 8-pin PCI-E available, But was already being used as the Main PSU for the MB and OC'd CPU on just One KPE, I had Artifacting like Crazy on Vantage at the same OC Settings as the other Three KPE's that were Already Underpowered with the Single 1600W on Them (as My Tests have Shown), So I Immediately Dumped That Idea Before Something Got Damaged!
 
I Don't Think buying another 1200W+ to try and run the other Two KPE's will be sufficient, Since I have already shown in testing that Two OC'd KPE's required at Least One 1600W with an available 110A Single Rail to Operate at the Levels I want.  
 
Yes, I agree with You...........I probably Could Jury rig some old PSU's to get the Wattage I need, But THEN I Take the chance of Screwing up Thousands of $$$$ in Hard-to-Get Graphics Cards.
 
Finally, Last Night after Hours of Internet Surfing (looking at my Laptop Screen until my eyes were blurry) I managed to Find another Rosewill Hercules 1600W that I bought IMMEDIATELY, the only problem being is I won't get it delivered to me for a week or so, But then at Least I will have the Exact Same Wattage and Amps Fed to All Four Cards!
 
If a Total of 3200W doesn't do the Trick of running Them on Just Water Cooling (Not Sub-Zero or LN2)................The Only Other Option that I can see is buying Two More 1600W PSU's on Top of the Two I will have.
 
Quad Graphics Cards.....................Quad Power Supplies...................and a 200 AMP Service Installation for My House!

 
 
 

Could just be scaling issues. What are you scores like compared to other 4 Way runs?

Can you dump the vbios so i can have a look at it? Thanks.

I Have a Theory about My SLI Problems in 3DMark Vantage.......
 
I was Looking in Futuremark Hall of Fame in 3DMark Vantage (Performance Mode) and I Think that 3DMark Vantage (Performance Mode) is the Problem I am having in 4-Way SLI trying to use 4 Geforce Cards.
 
I noticed that ALL of the High Scores in Performance Mode, and Even Kingpin's #1 Score was done with only TWO Cards in 2-way SLI.
There was Only ONE 4-Way Score (#2 highest) that used 4 Radeon 7970's in 4-Way SLI (Don't Know WHY 4-Way Works for these Radeon Cards) after which everyone is back to using 2 Geforce Cards in 2-Way SLI, But NO 4-way GeForce Cards were used until position #31 (4 x GTX 580's)
 
By Contrast, In the 3DMark Vantage (Extreme Mode) I see that ALMOST everyone in the Top Scores are using 4 Cards in 4-Way SLI.
 
There HAS to be a Reason that Even KINGPIN Doesn't use 4 Geforce Cards in 4-Way SLI when Benching in 3DMark Vantage "PERFORMANCE" Mode, and You Might even Also Notice that I am in the #8 Position in the Hall of Fame 3DMark Vantage (Performance Mode) using Only 2 Geforce Cards in 2-Way SLI!