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[Planning] CPU+DUAL GPU single water loop.

post #1 of 7
Thread Starter 
So I have started to order parts for the water loop. I collected a few parts from here. What I am looking to do is build a single loop to cool CPU (2500k) + 2 GPU cards (HD7950).

I have a NZXT Phantom case which I plan modding to hold a XSPC EX360 rad (purchased already) mounted on the top. I plan to purchase another EX240 rad for the bottom of the case which I have already modified to allow room.

I have also purchased a Danger Den Monsoon D5 dual bay reservoir with Switch 655 variable speed pump.

What I need help with is determining what I need to order, aside from the EK 7970 blocks/CPU Block.

Fittings/tubing/barbs/fans (I had 120x20 medium speed Yate loons priced out), etc.

Additionally, how I should run the tubing (IE, best configuration).

I plan on keep the side cover on. It's not for show. I don't plan on doing neons are anything fancy right now. I just want a nice, functional loop. So what ever fancy stuff that isn't needed that can help save money, please advise.

You guys rock, I haven't been able to leave this site in the past few weeks, although you also suck because after seeing the systems on here all it makes me want to do is buy more.

Thanks

Rich

Oh, once you are amazed by my amazing paint skills, here is a quick diagram I drew up up what my set up would be, minus running the tubing. Maybe this is where someone can kind of route the tubes for me for the best set up smile.gif

338
Edited by wireeater - 3/12/12 at 8:39pm
The addiction
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CPUMotherboardGraphicsRAM
Intel Core i5-2500K Sandy Bridge ASUS P8Z68-V PRO/GEN3  Radeon HD 7950 x2 CFX G.SKILL Ripjaws Series 8GB (2 x 4GB) DDR3 1333... 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 CT128M4SSD2 2.5" 128GB SATA III MLC  Western Digital VelociRaptor 160GB SAMSUNG 22X DVD Burner SATA  XSPC EX360 Radiator 
CoolingCoolingCoolingCooling
XSPC RX 240 Radiator Danger Den Monsoon Dual Bay resevior w/ MCP655 ... XSPC Raystorm CPU Block EK 7950 Acetel block x2 
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x5 Yates Loon Medium 120mm fans (push) Windows 7 Profesional 3xASUS VS248H-P 24" (Eyefinity) Logitech Wireless 
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The addiction
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Intel Core i5-2500K Sandy Bridge ASUS P8Z68-V PRO/GEN3  Radeon HD 7950 x2 CFX G.SKILL Ripjaws Series 8GB (2 x 4GB) DDR3 1333... 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 CT128M4SSD2 2.5" 128GB SATA III MLC  Western Digital VelociRaptor 160GB SAMSUNG 22X DVD Burner SATA  XSPC EX360 Radiator 
CoolingCoolingCoolingCooling
XSPC RX 240 Radiator Danger Den Monsoon Dual Bay resevior w/ MCP655 ... XSPC Raystorm CPU Block EK 7950 Acetel block x2 
CoolingOSMonitorKeyboard
x5 Yates Loon Medium 120mm fans (push) Windows 7 Profesional 3xASUS VS248H-P 24" (Eyefinity) Logitech Wireless 
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post #2 of 7
so its going to be like this i would assume

pump to rad to cpu to GPU to radiator to the pump

hopefully that pump or force of gravity from the 240MM radiator pushes the water back up. i'm not sure but hopefully other members can point you in the direction.

honestly i would have the radiator in front bays of the computer case and right under the res/pump. just my opinion
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post #3 of 7
If you were looking to save money/keeping it simple.

I would drop the bottom 240mm rad.

A single 360mm rad was more then plenty to keep my 2x7970 and 2600k @5.0ghz cool.

I see lots of dual rad setup but I question if it's necessary / worth it for 1 or 2 degrees drop.
post #4 of 7
Thread Starter 
What are your typical idle/load temps?

I am fine with going with a single rad if it's all that I need. I just always find conflicting responses with its enough or its not enough.
The addiction
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CPUMotherboardGraphicsRAM
Intel Core i5-2500K Sandy Bridge ASUS P8Z68-V PRO/GEN3  Radeon HD 7950 x2 CFX G.SKILL Ripjaws Series 8GB (2 x 4GB) DDR3 1333... 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 CT128M4SSD2 2.5" 128GB SATA III MLC  Western Digital VelociRaptor 160GB SAMSUNG 22X DVD Burner SATA  XSPC EX360 Radiator 
CoolingCoolingCoolingCooling
XSPC RX 240 Radiator Danger Den Monsoon Dual Bay resevior w/ MCP655 ... XSPC Raystorm CPU Block EK 7950 Acetel block x2 
CoolingOSMonitorKeyboard
x5 Yates Loon Medium 120mm fans (push) Windows 7 Profesional 3xASUS VS248H-P 24" (Eyefinity) Logitech Wireless 
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Thermaltake TPG-750M Toughpower Grand GOLD 750W... NZXT Phantom  RAZER Naga Massively Multiplayer Online Gaming ... 
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The addiction
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CPUMotherboardGraphicsRAM
Intel Core i5-2500K Sandy Bridge ASUS P8Z68-V PRO/GEN3  Radeon HD 7950 x2 CFX G.SKILL Ripjaws Series 8GB (2 x 4GB) DDR3 1333... 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 CT128M4SSD2 2.5" 128GB SATA III MLC  Western Digital VelociRaptor 160GB SAMSUNG 22X DVD Burner SATA  XSPC EX360 Radiator 
CoolingCoolingCoolingCooling
XSPC RX 240 Radiator Danger Den Monsoon Dual Bay resevior w/ MCP655 ... XSPC Raystorm CPU Block EK 7950 Acetel block x2 
CoolingOSMonitorKeyboard
x5 Yates Loon Medium 120mm fans (push) Windows 7 Profesional 3xASUS VS248H-P 24" (Eyefinity) Logitech Wireless 
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Thermaltake TPG-750M Toughpower Grand GOLD 750W... NZXT Phantom  RAZER Naga Massively Multiplayer Online Gaming ... 
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post #5 of 7
Quote:
Originally Posted by wireeater View Post

What are your typical idle/load temps?
I am fine with going with a single rad if it's all that I need. I just always find conflicting responses with its enough or its not enough.

When I was running with the 360 black ice stealth gt rad w/ 3x GT AP -15 pushing @ 50% so around 900RPM.

Ambient Temp (air) was around 21C.

Full load: GPUs: mid 50s, CPU, High 40s. This is with both under 100% load.

Also I have my 2 7970 running in parallel with the setup going Pump/Res (D5 Monsoon) -> Rad -> CPU -> GPUs in parallel -> Pump/Res (D5 Monsoon)

My pump , MCP655 was at setting 3.
post #6 of 7
Fittings/tubing, those depend on your preference. 1/2 or 7/16 or 3/8 ID for tubing? If barbs, try 7/16 tubing over 1/2 barbs (compressions' ID/OD have to both match for tubing and fitting).
For GPUs, it also depends on if you're doing it in series or in parallel, and if you want to build your own links, use a kit, or use prebuilt links. Of course, this also depends on how many slots there are between your 7950s.
FYI, the standard between single slots is 20.32mm, so typical double slot for GPUs would be 40.64mm, etc.

If you stay with the 2-radiator build, I would do CPU-240-GPUs in parallel-360-reservoir-pump (or the 240 before CPU, 360 right before GPUs).
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Intel Core i5 3570K 4.8GHz @ 1.37V Asrock Z77E-ITX PowerColor PCS+ AX7950 3GBD5-2DHPP 1.2/1.5GHz @... Crucial Ballistix Sport 16 GB 1.35 V 
Hard DriveHard DriveHard DriveCooling
Samsung 840 128 GB Plextor M3 128 GB 4x Western Digital Red 4 TB Swiftech Apogee Drive II 
CoolingCoolingCoolingCooling
BitFenix Spectre Pro 200x25 Fan 3x Sanyo Denki 9s1212h4011 San Ace 120x25 Fans Alphacool Nexxxos 7950 V2 Full Cover Phobya Xtreme 200mm Radiator 
CoolingCoolingCoolingOS
Black Ice GTS 240mm Radiator Unknown 120mm Copper Radiator Bitspower Fittings with Acrylic Tubing Arch Linux 
OSMonitorMonitorMonitor
Windows 7 Ultimate Dell UltraSharp U2311H  Dell UltraSharp U2311H  Dell UltraSharp U2311H 
MonitorKeyboardPowerCase
Ergotech 100-D16-B03 Triple Horizontal LCD Moni... Monoprice MP-GBL4 CherryMX Red Mechanical Keyboard Silverstone ST45SF-G BitFenix Prodigy 
MouseMouse PadAudioAudio
Cooler Master Storm Spawn Custom Printed (侠客行)  Pioneer VSX-1122-K Pioneer SP-BS41-LR 
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90W Voltage-Controller-On-Breadboard PWM-Controller-On-Breadboard Marvell PM9172 SATA3 to mini PCIe Adapter Intel 7260HMW mini PCIe Adapter 
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Intel i5 3317u OEM OEM 4GB MyDigitalSSD BP4 240GB 
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post #7 of 7
Looking to use single loop for I7 5820 and 2 NVIDIA GTX 980 TI
Single pump
1 480 Radiator

Sequence

Pump to GPU1 then to GPU2 then to CPU back to radiator then reservoir on top of pump.

Or

Pump to GPU1 then GPU2 then Radiator then reservoir on top of pump
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