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Two Pumps in Series: X20 750 + Laing D5 vario Possible or not?

post #1 of 9
Thread Starter 
Basically I have been reading around lotsa threads on this one but none really reached a conclusion on this topic, so I would like to get a clear cut answer.

My current loop suggestion is this:
X20 Pump/Res Combo -> Res -> D5 vario -> 140mm Rad -> Gpu block -> 120mm Rad ->360mm Rad -> CPU block -> X20 Pump/Res Combo -> e.t.c

(I already have the listen parts above, so in worst case scenario I just ditch the X20 Pump/Res Combo, and my D5 might just manage the 3 Rads, CPU and GPU.)

I basically want opinions on my suggested loop, whether it will work, whether it will damage the X20 pump. I've heard that if I leave the D5 vario at a speed of 3, then it will not damage the X20 pump, but then will I have any benefit of having the pumps connected in series? (I would assume so, since two pumps in series of the same flow should result in a loop of double the flow rate, no?)

Anyways, I'll leave it to you guys^^ Thanks for all the help in advance smile.gif
post #2 of 9
If it's just a CPU and 1 GPU I would say it's not recommended to have multiple pumps let alone 2 reservoirs. The D5 is more than enough to handle your needs though I don't see why you chose to go with multiple small radiators(adding extra restriction to your loop needlessly) unless you're trying to simply saturate your available slots which I wouldn't recommend. I would say 1 good 360 radiator would suffice for 1gpu 1cpu but only need more if you plan to get another GPU.
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post #3 of 9
Quote:
Originally Posted by Arkuatic View Post

If it's just a CPU and 1 GPU I would say it's not recommended to have multiple pumps let alone 2 reservoirs. The D5 is more than enough to handle your needs though I don't see why you chose to go with multiple small radiators(adding extra restriction to your loop needlessly) unless you're trying to simply saturate your available slots which I wouldn't recommend. I would say 1 good 360 radiator would suffice for 1gpu 1cpu but only need more if you plan to get another GPU.
I agree with this. I think your over complicating things by using bayres pump combo and second res, its just not necessary for CPU and GPU.

Personally I would just use the D5 and what I'm assuming is a tube res with good pump top and a good quality 360 rad, that would be simple and efficient and quiet.thumb.gif
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post #4 of 9
Thread Starter 
I've already got these Radiators:

XSPC AX360
Alphacool NexXxoS UT60 140mm
Alphacool NexXxoS ST30 120mm

(Can't return the 360, and don't want to return 140/120)
(and yes, I do have a tube RES)

Will the D5 be able to handle the 3 RADs + the GPU + the CPU on its own?

(I.E. I basically just ditch the pump/res combo)
post #5 of 9
Thread Starter 
Yes I will mostly likely SLI/Crossfire in the future, so I want to have a loop which can easily handle that.. I could also get a D5/pump res combo (if its needed) and place it where the current X20 pump res combo would be, when I decide to get another GPU.
post #6 of 9
The D5 should still be fine though I would still say you have a very inefficient setup with multiple small radiators. Suggestion would be getting less restrictive blocks for your components.
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post #7 of 9
Thread Starter 
I have an XSPC raystorm CPU block + XSPC razor 7970 gpu block already.

TBF I was going to have 3 Radiators anyways, my case unfortunately restricted me to 1 large radiator and 2 small ones, I would have preferred to have had one 360, one 240 and one 120.
post #8 of 9
Just a tip dude, use rigbuilder to display your current specs so we can't get a clearer picture and provide better advice. What case do you have?
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Backbreaker
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Hard DriveHard DriveHard DriveHard Drive
256gb Samsung 840 pro 1 X Samsung 2tb HDD OCZ Vertex 2 60GB OCZ Vector 128GB 
CoolingCoolingCoolingCooling
XSPC Raystorm Copper edition  XSPC RIVE Chipset and VRM block  3 X XSPC RAZOR Titan Blocks and Backplates  2 X Alphacool D5 pumps  
CoolingCoolingCoolingCooling
Bitspower Dual pump Top  2 X Alphacool UT60 480 Radiators  1 X Alphacool XT45 240 Radiator  Phobya Balancer 250 Black Nickel  
OSMonitorKeyboardPower
Windows 7 ultimate 64 bit Acer X34 Predator CORSAIR K90 VENGEANCE  CORSAIR AX1500i 
CaseMouseMouse PadAudio
CORSAIR 900D Razer Deathadder black edition  Razer Goliathus XL ROG Xonar Phoebus 
Audio
Sennheiser PC363D  
CPUMotherboardGraphicsGraphics
I7 980X @ 4.5Ghz - 1.36 Vcore ASUS RAMPAGE EXTREME III EVGA GTX TITAN EVGA GTX TITAN 
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12 GB CORSAIR DOMINATOR GT 2000MHZ TRIPLE CHANNEL OCZ VERTEX2 60GB and Samsung 2tb HDD LG BLURAY BURNER XSPC DUAL BAY LAING D5 PUMP RES COMBO 
CoolingCoolingOSMonitor
XSPC RAYSTORM COPPER CPU BLOCK BLACK ICE STEALTH 240 RAD WINDOWS 7 64BIT ULTIMATE ASUS VG278h 120Hz 
KeyboardPowerCaseMouse
CORSAIR K90 VENGEANCE  CORSAIR AX1200 CORSAIR GRAPHITE 600T WHITE RAZER DEATHADDER BLACK EDITION 
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post #9 of 9
Thread Starter 
I have NZXT switch, in it there is a i7 3770k + HD7970 underwater. There is a 360mm Rad at the top, and there will be a 120mm Rad on the top left exhaust, and only a 140mm Rad and the bottom right of the case. That is all i can fit in, without sacrificing too many hard drive cages/ general space for stuff like the pump, res, other front bay devices, e.t.c.

After searching about, I've concluded that the laing D5 I have should be able to accommodate for the 360, 140 and 120 Rads + the CPU and GPU. So im just gonna ditch the x20 750, and run my D5 off of a 250 Z Multi.
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