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Maximum number of blocks and/or radiators for a single pump?

post #1 of 6
Thread Starter 
I'm planning to use two full blocks for two 1080Ti in SLI and a monoblock for a x299 R6E when it is eventually released. To cool this monstrosity I'm hoping to cram into my Silverstone TJ07 case one 480XE one 480SE and two 240XE although I might have to reduce that to one 240XE or possibly two 240PE.

The order of the loop is somewhat up for debate but my initial thought is a little something like this:
pump+res > 480XE > 2x1080TI > 480SE > monoblock > 2x240XE > pump+res

I'm curious if one pump can handle all of that or should I get another to use in a single loop, and where would be best to place it or would that depend on the physical location. Also which pump would be best, the D5 or DDC?

As a side question, is it possible to run a splitter off the mobo to power two pumps so that they run at the same speed so there is no chance of one overflowing. The R6E has a 3A 4 pin connector specifically for water pumps but I'm not sure if splitting it would cause it to pull too much power through the mobo or if the power would be split between them and cause them to run at half the speed.

I'm planning on using the pump+res combo and a single loop regardless of the number of pumps needed to maximise my cooling efficiency. No rad should go to waste!

Any help would be much obliged.
post #2 of 6
Back in the days with my Ergo Proxy build I had 1xCPU block + 2xGPU blocks + 2x480 rads + 2x360 rads on a single D5 pump. I never had any issues with this setup over the years.

So to answer your question, one pump can handle this kind of setup. thumb.gif

Pumps like D5 (and DDC too) are stronger than we think and can handle a good amount of components in a single loop. The only time I think I might have pushed a D5 to it's limit was with a loop like this : 1xCPU block + 3xGPU blocks + 1xRAM block + 4x360 rads on a single D5 pump in my Hurrikaine build.
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post #3 of 6
Thread Starter 
That's quite a relief knowing it can handle a lot more than I'm throwing at it, thanks. I'm still not sure what size rads I can fit when I rip out the optical drive bays. If I opt for the thinner 240SE variants, would that restrict the water flow more than the thicker 240XE or even 240PE?
post #4 of 6
Quote:
Originally Posted by Quozzo View Post

That's quite a relief knowing it can handle a lot more than I'm throwing at it, thanks. I'm still not sure what size rads I can fit when I rip out the optical drive bays. If I opt for the thinner 240SE variants, would that restrict the water flow more than the thicker 240XE or even 240PE?

It won't affect the flow but the performance might be affected a bit. If you can fit a 240PE instead of the 240SE it would be best.
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post #5 of 6
A single D5 can handle that loop without an issue.

My non-pwm D5 on speed setting 3 (out of 5), is currently pushing through my RVE10 monoblock, three GPU blocks, a HWlabs 560 GTX, a Alphacool 360mm Monsta, and a 120mm ST30 radiator. The loop also uses six 90 degree fittings.

Blocks will always be the point of most restriction. Most radiators are pretty free flowing except for some models. HWlabs for example uses smaller core tubes to increase pressure and turbulence to break the surface tension of the water.
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EK Supremacy Evo Nickel Plated CPU Block Alphacool ST30 120mm Radiator Noctua Industrial A14 140mm Fans Silverstone AP182 180mm Fans and Grills 
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Various Custom Loop Parts Mayhems X1 Coolant Reeven Six Eyes II Fan Controllers GELID GC Extreme and Fujipoly Pads 
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Bitspower Hall of Fame Waterblocks and Backplates Hardware Labs Nemesis GTX 560mm Radiator Windows 10 Home ASUS ROG Swift PG278q  
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Western Digital 1TB Black Western Digital 500GB Blue ASUS Black 12X BD-ROM 16X DVD-ROM Deepcool Captain 240 
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Corsair SP120 PWM Corsair AF140 Windows 10 Home ASUS ROG SWIFT PG278Q 
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GALAX HOF Mechanical Keyboard EVGA 550w G3 Corsair 780t Razer Spectre 
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post #6 of 6
Thread Starter 
Alright cool (no pun intended). As soon as my mobo arrives I shall start building the loop. Thanks.
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