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First WC set up - couple quetions

post #1 of 7
Thread Starter 
Well my goal for water cooling is to have a silence system and overclock my 2500k to 4.2GHz and overclock my 2x 6950s. I will only be water cooling the CPU and both GPU. Not looking to break any benchmarks.

Going try to buy used components from Overclock market to save money. So I will list multiply item for each component. It depend what i see on sale.

CPU Blocks:
Swiftech Apogee XT
XSPC Rasa
EK supreme HF <- theres like 3 verison of this thing Acetal, Full nickel and Full copper. Which one should I get?

GPU Block:
From what I read on skinneelabs.com full cover GPU block and universal GPU block perform the same. Am I correct?

EK-VGA Supreme HF
XSPC RASA GPU

Radiators:
The biggest rad I can fit in my case is 240 54mm thick. I see forum posts of people using 2x 360 for cpu + 2x GPU. It seems like its too much.

Can I get away with RX240 and RX120? or RX240 and RS 240(i need high cfm for RS right?) Do I need push/pull to pull it off?

The most rad I can fit is 2x RX240.

Pumps/Reservoirs:
MCP350
Will this pump be enough? I know the 355 is better but I heard the 350 is quieter.
+ XSPC Acrylic Reservoir Top for Laing DDC

Tubing:
I heard primoflex is a pretty good brand. Does the size of the ID impact the performances?
PrimoFlex Pro LRT UV Red Tubing - 7/16in. ID X 5/8in. OD

Fittings:
From what I read, Compressions vs barbs are the same in terms of leak resistant.
If I go compressions I want anything that has 7/16in. ID X 5/8in. OD. G1/4 stands for thread size right?
For barbs, I mostly see 3/8 and 1/2 barbs only. Can 7/16in ID fit in 1/2 barbs?

Coolant:
I only need distilled water with either PT nuke or Silver coil right? not both?

Fans:
I read Gentle Typhoons are the best. There are many versions. Which ones should I get? I want low cfm for RX rads right?

Thermal Paste
I have left over Arctic Silver 5.

Am I missing anything?
Edited by CartmanTheTub - 5/6/11 at 5:32pm
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Project Ironman
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post #2 of 7
For the CPU block, the all copper will be slightly better than the nickle plated. AS5 is fine to use, but shin etsu is better. Yes get gentle Typhoons 1850rpm. Not only can you not hear them, but they have high CFM and most of all, very high static pressure. Push pull with gentle typhoon on large thick rads would be a very good option. I've not answered everything, but most of your stuff.
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X79-GCN
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post #3 of 7
Quote:
Originally Posted by CartmanTheTub View Post
CPU Blocks:
Swiftech Apogee XT
XSPC Rasa
EK supreme HF <- theres like 3 verison of this thing Acetal, Full nickel and Full copper. Which one should I get?
I have the Full Copper and it performs very well. They will all perform very close to each other so it doesn't really matter.

Quote:
Originally Posted by CartmanTheTub View Post
GPU Block:
From what I read on skinneelabs.com full cover GPU block and universal GPU block perform the same. Am I correct?

EK-VGA Supreme HF
XSPC RASA GPU
Full cover blocks will cool the VRMs + the GPU its self.

Quote:
Originally Posted by CartmanTheTub View Post
Radiators:
The biggest rad I can fit in my case is 240 54mm thick. I see forum posts of people using 2x 360 for cpu + 2x GPU. It seems like its too much.

Can I get away with RX240 and RX120? or RX240 and RS 240(i need high cfm for RS right?) Do I need push/pull to pull it off?

The most rad I can fit is 2x RX240.
The RX240 + RX240 would be fine for a CPU + 2xGPU loop.

Quote:
Originally Posted by CartmanTheTub View Post
Pumps/Reservoirs:
MCP350
Will this pump be enough? I know the 355 is better but I heard the 350 is quieter.
+ XSPC Acrylic Reservoir Top for Laing DDC
Yes, the MCP350 is quieter, but it is fine.

Quote:
Originally Posted by CartmanTheTub View Post
Tubing:
I heard primoflex is a pretty good brand. Does the size of the ID impact the performances?
PrimoFlex Pro LRT UV Red Tubing - 7/16in. ID X 5/8in. OD
The Primochill Primoflex tubing is good tubing. Size doesn't really matter it just depends on what you like.

Quote:
Originally Posted by CartmanTheTub View Post
Fittings:
From what I read, Compressions vs barbs are the same in terms of leak resistant.
If I go compressions I want anything that has 7/16in. ID X 5/8in. OD. G1/4 stands for thread size right?
For barbs, I mostly see 3/8 and 1/2 barbs only. Can 7/16in ID fit in 1/2 barbs?
Yes, if you go with compression fittings you need to match the tubing size up with the size of the compression fitting. 7/16"ID tubing will fit over 1/2" barbs and I would highly recommend doing so if you go with barbs for a tighter seal. G1/4 is thread size on almost everything. Some things use G3/8.

Quote:
Originally Posted by CartmanTheTub View Post
Coolant:
I only need distilled water with either PT nuke or Silver coil right? not both?
Yes, you only need either distilled + PT nuke or distilled + killcoil. Unless you want to use both.

Quote:
Originally Posted by CartmanTheTub View Post
Fans:
I read Gentle Typhoons are the best. There are many versions. Which ones should I get? I want low cfm for RX rads right?
The GT AP-14's or AP-15's would be the best on the RX.

Quote:
Originally Posted by CartmanTheTub View Post
Thermal Paste
I have left over Arctic Silver 5.
Arctic Silver 5 is fine if you already have some, but Indigo Extreme or Shin-Etsu are better.

Quote:
Originally Posted by CartmanTheTub View Post
Am I missing anything?
I think you have everything.
Edited by Triangle - 5/7/11 at 12:00am
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post #4 of 7
Universal and full cover blocks do perform the same on the GPU core temperature side only.
Make sure you have passive cooling on your VREGs if you decide to get the universal route. Jab on some RAM heatsinks if your going to overclock your GPU memory.
I would recommend the EK VGA Supreme HF Nickel/Acetal for the GPU block (less restrictive than the Rasa + sexy).
And for the CPU waterblock, I would recommend the XSPC Rasa waterblock. It performs really close to other waterblocks, yet is like $30-$40 cheaper.

Pump will be fine. But if your considering getting a top for it, think about getting the MCP35x. It performs much better in terms of flow, and it comes with a high-grade top preinstalled... warranty sealed. A MCP350 costs $70 and a top for it costs $25, a total of $95. A MCP35x with preinstalled top is also at $95 Plus comes with a tach wire to control pump speed, helpful for silent operation.
Don't get me wrong, MCP350 is great, but if your going to get a top, IMO get a 35x.




7/16 tubing fits on 1/2 barbs just snug.
I would say don't even bother with going 7/16 ID 5/8 OD with compression fittings, the standard for compression fittings is 1/2 ID 3/4 OD. It's much easier to come buy, usually costs the same as smaller compression fittings, and is easier to sell. Plus, you get higher flow by a small amount. Compression fittings will cost you a ton, get it right the first time and get 1/2 ID 3/4 OD, and change your tubing instead of fitting size.
Edited by Buska103 - 5/6/11 at 10:11pm
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post #5 of 7
I would go with the RX240 and the RS240 for your radiators, seeing as you have two 6950s and a CPU.

My vote would be for the full nickel version of the Supreme HF, the thin electroplating layer of nickel on it prevents oxidization without losing any performance. While nickel does have a higher thermal resistance than copper the difference is not huge and the layer of it is VERY thin. The block is still made from copper.
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by Buska103 View Post
Pump will be fine. But if your considering getting a top for it, think about getting the MCP35x. It performs much better in terms of flow, and it comes with a high-grade top preinstalled... warranty sealed. A MCP350 costs $70 and a top for it costs $25, a total of $95. A MCP35x with preinstalled top is also at $95 Plus comes with a tach wire to control pump speed, helpful for silent operation.
Don't get me wrong, MCP350 is great, but if your going to get a top, IMO get a 35x.
I went with the MCP350 because I will be buying it from OCN member for $35 and the top+res is only $25.

but thank you everyone for the input. especially triangle for answering everything
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Project Ironman
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CPUMotherboardGraphicsRAM
i5 2500k MSI P67A-GD65 MSI GTX 560 Ti 8GB G.SKILL Ripjaws 
Hard DriveCoolingMonitorPower
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LIAN LI Lancool PC-K58W 
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post #7 of 7
Good luck!
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hwlabs gtx120 hwlabs gts 360 xflow ek fc5870 nickel+acetalx3 changes 
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It's in pieces
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CoolingCoolingCoolingOS
hwlabs gtx120 hwlabs gts 360 xflow ek fc5870 nickel+acetalx3 changes 
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crap model m, 6gv2, k95, wasd, code v2, model f Changes MM 
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