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MCP655 and Corsair sealed units hack

post #1 of 5
Thread Starter 
A friend of mine has 3 different water coolers from Corsair (and a 360 rad I gave him) that he hacked into a CPU, GPU and temp readout (unused H70 block ... or H50?). He also uses a 2 5.25'' res at the bottom of his case and with his setup he barely has any pressure to move glycol through his loop. I bought a MCP 655 pump to fix his problem but he fears the pump has too much pressure for the tubing (1/4'' ID)) and that the fittings might start leaking. Not considering the 1/2'' ID of the MCP's barbs which will probably end up modded as such :

http://www.frozencpu.com/products/16737
and
http://www.sidewindercomputers.com/sicumclad5wi.html

But with 1/4'' barb (pressure increase incoming?). Would the more knowledgeable watercooling experts hint at solutions or should the pump be avoided in my friend's setup?
post #2 of 5
First of all, your friend will be much better of just buying a cpu block, you get them pretty cheap, and if he can afford a MCP655, he surely can afford one, it would make everything MUCH easier and probably give him better performance. So if he already got a 360rad from you, and a very good pump, all he needs is some tubing, barbs and a cpu block and it would be a complete system (and perhaps a reservoir, but the cheapest would be a fillport on a T-barb).

If it is the Vario pump (Speed adjustment) you can adjust it down to a low level, which it will not give to much of a push.
The tubing it self should handle it though, but really with the D5/MCP655 at 2/5 setting is more than enough power to push through a CPU and GPU at the same time, also it will be much quieter then smile.gif
I am running my pump at 2.5/5 through 1x240 > 1x360 > CPU > GPU1 > GPU2 > Reservoir, and it works great!
The up/downgrade
(14 items)
 
  
CPUMotherboardGraphicsRAM
|Intel 6800K @ 4ghz 1.24v| |Asus ROG Strix X99| |Gainward GTX 1070 @ ~2ghz| |4x4gb Corsair XMS 3000mhz CL14| 
Hard DriveOSMonitorKeyboard
|840 Pro 256gb| |OCZ Vertex 2 120gb| |WD Red 2tb| |Windows 10 Pro x64| |27" QNIX QX2710 @ 2560x1440 120hz| |Logitech G810 Orion Spectrum RGB| 
PowerCaseMouseAudio
|EVGA SuperNOVA 1000 G2| |Corsair 750D| |Logitech G502 Proteus Spectrum RGB|  |JBL L890 speakers| 
AudioAudio
|Emotiva XDA-2 receiver| |2x Advanced Acoustic MAA-705 @ 200w 8ohm| 
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The up/downgrade
(14 items)
 
  
CPUMotherboardGraphicsRAM
|Intel 6800K @ 4ghz 1.24v| |Asus ROG Strix X99| |Gainward GTX 1070 @ ~2ghz| |4x4gb Corsair XMS 3000mhz CL14| 
Hard DriveOSMonitorKeyboard
|840 Pro 256gb| |OCZ Vertex 2 120gb| |WD Red 2tb| |Windows 10 Pro x64| |27" QNIX QX2710 @ 2560x1440 120hz| |Logitech G810 Orion Spectrum RGB| 
PowerCaseMouseAudio
|EVGA SuperNOVA 1000 G2| |Corsair 750D| |Logitech G502 Proteus Spectrum RGB|  |JBL L890 speakers| 
AudioAudio
|Emotiva XDA-2 receiver| |2x Advanced Acoustic MAA-705 @ 200w 8ohm| 
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post #3 of 5
The tubing will handle it fine, but I just tested restriction on the H100i pump/block and found this:
corsairh100i-pressuredrop2.png

That is many times more restrictive than DIY blocks, so despite that pump addition, the flow rate will remain very low. The H100i block has an extremely dense fin design so it performs well at very low flow rates, but that also makes it extremely restrictive. In the end it just makes getting normal 1GPM+ DIY flow rates near impossible. Not to meantion having mixed metals with the aluminum rad.

Not sure on the other H50 etc blocks, but the newer H100/100i/80i that share this base are high restriction designs and going to leave you with low flow rates even with more pump.
    
CPUMotherboardGraphicsRAM
3930K ASrock X79 Ext7 Evga GTX570 CORSAIR Vengeance 16GB 
Hard DriveOptical DriveOSMonitor
Phoenix SSD+2TB Seagate drives ASUS DVD-RW combo Windows 7 28" Hanns-G HZ281 
KeyboardPowerCaseMouse
MS Natural Corsair TX650 Danger Den Torture Rack Logitech MX518 
Mouse Pad
Desk 
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CPUMotherboardGraphicsRAM
3930K ASrock X79 Ext7 Evga GTX570 CORSAIR Vengeance 16GB 
Hard DriveOptical DriveOSMonitor
Phoenix SSD+2TB Seagate drives ASUS DVD-RW combo Windows 7 28" Hanns-G HZ281 
KeyboardPowerCaseMouse
MS Natural Corsair TX650 Danger Den Torture Rack Logitech MX518 
Mouse Pad
Desk 
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post #4 of 5
I would ditch the third block/pump you aren't using since all it does is add restriction, and then run the other two blocks in parallel with the MCP655 in series. That should give you a bit less than 0.5GPM through each block; I think it would perform quite well.
Edited by CastleBravo - 3/29/13 at 7:45am
post #5 of 5
Thread Starter 
Quote:
Originally Posted by go4life View Post

First of all, your friend will be much better of just buying a cpu block, you get them pretty cheap, and if he can afford a MCP655, he surely can afford one, it would make everything MUCH easier and probably give him better performance. So if he already got a 360rad from you, and a very good pump, all he needs is some tubing, barbs and a cpu block and it would be a complete system (and perhaps a reservoir, but the cheapest would be a fillport on a T-barb).

If it is the Vario pump (Speed adjustment) you can adjust it down to a low level, which it will not give to much of a push.
The tubing it self should handle it though, but really with the D5/MCP655 at 2/5 setting is more than enough power to push through a CPU and GPU at the same time, also it will be much quieter then smile.gif
I am running my pump at 2.5/5 through 1x240 > 1x360 > CPU > GPU1 > GPU2 > Reservoir, and it works great!

I did get him the vario pump, he feels he has already invested a bit in his setup and he is kinda right. As things are now any improvement over 0.01GPM will make him happy, he's gonna start with modding the pump and might improve his blocks later. I will suggest he takes out the useless block.
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