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Old April 27, 2012, 01:27 PM
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Default New loop dual vids. Series or Parallel?

Right well I am about to build a new loop as I'm hoping to add another 6970 into the mix. This will be my 1st time water cooling dual vids and I know very little about the pros and cons. If you click mah rig link in my sig you can see what I currently have setup. I know there are some that would suggest changing vid cards rather than crossfire but the truth is dual 6970's is enough and I don't want to start over with a 600+ vid card and a new waterblock.

Series or parallel?

I plan on adding a 120mm rad for the CPU only (overclock very lightly) and the vids on a triple rad which is already installed.
THE ORDER:
Pump>120mm rad>CPU>triple rad>vid>pump
or
Triple rad > Pump > vids > 120mm rad > CPU (thjs might loop up easier.
or
?? Open to suggestions.

I do plan on overclocking the vids as much as possible too.

THE QUESTIONS:
I use a crosshair V mobo so I'd like to know which water connections I use between the vids and the best way to do that?
I have a Levasque 6970 with an EK Water block so i'm assuming i'll need to find something the same?

I don't have a budget but I use that lightly of course (there is a limit I can get through the BOSS)

PS: Due to the Cosmos rear plastic bevel it is totally possible to put a 120mm rad on the rear output with the fan on the outside of the case.
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Last edited by clshades; April 30, 2012 at 09:02 PM.
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Old April 27, 2012, 02:00 PM
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Quote:
Originally Posted by clshades View Post
PS: Due to the Cosmos rear plastic bevel it is totally impossible to put a 120mm rad on the rear output with the fan on the outside of the case.
Fixed that for you.... ;)

There is however room to mount a 120mm forward of the PSU.
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Old April 27, 2012, 03:19 PM
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I know where you can find another XFX 6970 *wink wink*
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Old April 27, 2012, 05:57 PM
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it's impossible eh... dammit! TBO I never even stuck a fan there to try it. I had one forward of the PSU before I was just hoping to keep the tubing to a min.
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Old April 27, 2012, 06:41 PM
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Give it a quick try... I wasn't thinking of mounting the fan on the outside, what I remember is that the bevel interferes with installing a swiftech radbox, so it's impossible to install an external fan.
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Old April 28, 2012, 05:18 AM
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Yeh that was the plan. Fan on the outside rad inside. Just makes for a cleaner loop from what I've seen guys doing around here and I've done the rad on the bottom before it's messy imo.
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Old April 30, 2012, 09:02 PM
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need input!
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Old April 30, 2012, 09:41 PM
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Personally I like having the EK bridge between GPUs, they come in 2 slot or 3 slot spacing, Parallel or series(I prefer parallel). Note the EK bridge only works with EK blocks.

You can use a 60 degree rotary fitting on the bridge and a 30 degree on the CPU block for a short straight line from CPU to GPUs or a 30mm extension fitting and 45 degree on both.

Pic of my solution so you can see if it appeals to you or not.
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Old May 1, 2012, 08:31 AM
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How are your temps running that config? looks awesome tho! thanka for the reply mate. Also if you wouldnt mind linking the parts i need exactly. i kind of understand on Daz's website but I'm not 100%. Thanks again! just wanna get the order right the 1st time ya know! :-)
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Last edited by clshades; May 1, 2012 at 08:37 AM.
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Old May 1, 2012, 11:17 AM
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For the GPU bridge you need the bridge itself and two links that adapt from EK waterblock to the bridge.

If you're using the top two x16 slots then you want the 2 GPU normal spacing bridge:
EK-FC Bridge Dual GPU Parallel SLI/Crossfire Cooling Option EK-FC Bridge Dual GPU Parallel SLI/Crossfire [EK-FC Bridge Dual P] - $19.99 : DazMode PC Watercooling Gear, Canadian Best PC Watercooling and Modding Store

And TWO links, one per GPU (note there are different links for Nvidia and AMD)
2xEK-FC Link R48X0/58X0/68X0/69X0/79X0 X-Fire Option EK-FC Link R48X0/58X0 Cross-Fire Cooling Option [EK-FC Link R48X0/58X0] - $13.69 : DazMode PC Watercooling Gear, Canadian Best PC Watercooling and Modding Store(AMD one)

Now that ends up being quite a bit more expensive than a single adaptor in series but it is my preference.
The cheaper solution to link between two identical blocks is:
K - Dual VID Connector, Adjustable 2-3 Slot Spacing K - Dual VID Connector, Adjustable 2-3 Slot Spacing [CNT-VDA34] - $14.99 : DazMode PC Watercooling Gear, Canadian Best PC Watercooling and Modding Store(comes in black too)



as for my temps with the super mega giant 180x3 rad I get low 40s on my GPUs(570s@877mhz 1.1v) and low 50s on my CPU@(2600k@5ghz,1.49v)
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