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My Build Liquid cooling help

post #1 of 10
Thread Starter 
Okay so this is my current build.
Obsidian 800D
GIGABYTE Intel Z68
2x Radeon HD 6970
i7 2600k
Ripjaws X Series 8GB (2 x 4GB)
SeaSonic X750 Gold 750W
2x F3 1TB
Patriot Wildfire 120GB SATA III SSD

Okay I need help with designing a loop for my 800D case and picking parts for liquid cooling... my budget is $1k to bust on liquid cooling.. This is my first liquid build and i plan on cooling my 2 graphics cards and my cpu... could someone give me some advice, recommendations and tips?
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post #2 of 10
the key to keeping everything cool is having enough radiators. With 2 GPUs + CPU you will want at least... aaaaaaaaaat least a 360 and I'd really recommend 2 360s if you really want to OC that bad boy.

There are three theories on what you should do. Some say run a loop for the cpu via its own resevoir/pump/radiator and a whole separate loop with its own reservoir/pump/radiator for itself.
Two, you can run a single loop and run everything through it. I like this one. You may want to either run one large pump or two smaller pumps in opposite ends of the loop (in serial)
Three, you could run a t-split and have one side go to your GPUs and another go to your CPUs. I do not recommend this at all. A loop will find equilibrium temp and therefore you gain little from this, and if there is a significant enough pressure drop, you'll actually lose from this. Not to mention, you rarely are maxing out both you CPU and GPUs at the same time, so you might as well run a single, serial loop and maximize your benefits.

IMHO, I'd run a single serial loop with a couple DangerDen D5's or something like that.
I'm a fan of Compresssion fittings, and you budget seems to agree with them. I'd run 1/2" ID hose... something decent. Also, if space is tight, get some primoChill antikink coil. It's inexpensive and can be a life saver. As a matter of fact, just get some.
Make sure and get good, full cover waterblocks. Swiftech and DangerDen make good quality stuff. Same for the CPU.
The res is largely dependent on how you do your loop. A split bay reservoir is good for running independent loops, but that really is just finding one that works for you, weather it be a bay, or internal mount, or an external one. You just need to take a good look at your setup and find where everything can go.

Oh yeah! rads are best if you put them in push/pull setup... if you can manage that many fans, pull has been shown to be better than pull. Be aware some Rads for low RPM and others for high rpm fans. Like the Black ICE GTS is best for low RPM whereas the GTX preforms best with higher rpm fans >1600
Edited by theAlexandria - 7/27/11 at 12:37pm
    
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post #3 of 10
Thread Starter 
is this the pump i should get? and should i get 2 or one?
http://www.newegg.com/Product/Produc...82E16835108082

and should i get 2 of these?
http://www.frozencpu.com/products/53...r_-_Black.html

any advice on what i should get for the reservoirs?
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post #4 of 10
If it were me. I'd run a 360+240 if you want to OC all 3 of those components. 360 up top for the CPU and 240 for the GPU's down in the bottom shelf of the case (this works with little modification on the 800D).

Although the MCP655 has a higher flow rate, you might need the higher head pressure of the MCP355, which is nearly double of the 655, to move all the water in your loop. But it all depends on the fittings that you get and your tubing configuration.

http://jab-tech.com/Swiftech-MCP-355...p-pr-3510.html

Get this is you are going to have a lot of sharp turns or angled fittings in your case (although the 800D has a good bit of room for your tubes).

For your reservoir, I'd get what looks good to you. Honestly (as I see it) as long as you get a decent quality reservoir that can fit in your case, they all have the same functionality (unless you are going two separate loops).

If someone spots any oversight in this, please correct me.
Edited by modinn - 7/27/11 at 1:37pm
post #5 of 10
The GTX and GTS are two of the best Rads on the market (either them or coolgate) It really depends on what fans you are putting on them. If you get a <1600 RPM fan then get the GTS and for >1600 RPM get the GTX.
I'm almost positive that you should only need one 665 for this loop (and if you find your flow rates aren't to your liking, the upgrade won't be that bad).
And reservoirs are really up to the user. TBH, all the do is hold water lol. Bay reservoirs are nice because it makes it easy to check fluid levels. However I like some of the mountable ones that drain out of the bottom. It just depends on where you have room.
Here are a couple
This is just your basic bay res: http://www.frozencpu.com/products/13...?tl=g30c97s168
This one is nice because it has a flow meter: http://www.frozencpu.com/products/85...?tl=g30c97s168
This a nice internal (and they look cool and have multiple sizes) http://www.frozencpu.com/products/95...?tl=g30c97s165
    
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post #6 of 10
Quote:
Originally Posted by modinn View Post
Although the MCP655 has a higher flow rate, you're might need the higher head pressure of the MCP355, which is nearly double of the 655, to move all the water in your loop. But it all depends on the fittings that you get and your tubing configuration.
That is a good point about the head room.

Also doing forget to get some kill coil, PT nuke, nanofluid or just something keep out the bacteria and algae. No need in this becoming a biology experiment.
    
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post #7 of 10
Thread Starter 
okay so far im at this.. i want something similar to this..



for the radiator on the top i was going to go with this..
http://www.frozencpu.com/products/40...or_-_Blue.html
or
http://www.frozencpu.com/products/50...or_-_Blue.html

also on the top of the case where u can place fans i was going to cut that out also for better airflow and place 3 fans there( no idea what fans..) and place this over the fans to make it look nice
http://www.frozencpu.com/products/76...HR-1020BK.html

then for the 240 radiator i was going to go with this and cut out the bottom of the case and put it where he has it in the pic (the bottom right)
http://www.frozencpu.com/products/50...or_-_Blue.html

for the pump either 1 or 2 of these... idk what i would need... and is my 750w power supply good enough for all this?
http://www.newegg.com/Product/Produc...82E16835108082
or should i get a dif pump all together?

Okay I am still completely clueless on what reservoirs to buy...

umm how much tubing should I get? also any recommended brands? i was thinking of going with a blue tubing because I have been hearing bad things about dyes...

any advice with the fans? placement wise and also brands how to hook them up and everything...
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post #8 of 10
Thread Starter 
bump .
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post #9 of 10
Ok, those radiators look fine, and the shroud is great idea. Fans are up to you, if you want black fans look at the Scythe Gentle Typhoon (I've also heard good things about the Yate Loon). If you're looking for LED, I like my Aerocool Sharks. Your 750 should be more than enough to run that pump. That 240 has nice placement and would be good because it'd have fairly fresh air and you'd be able to internalize everything (it just looks nicer that way). The key with fans, Always bring the coldest air into a rad. If you can, pull is more efficient than push.
General airflow... is up to how you like to do it. I like to put my intakes as the front and the rear and my exhaust be the top. so everything is brought in a pushed out the top. I also create a bit of positive pressure in my case (which keeps dust out better).

I'd say get at least 10 foot of tubing, but a bit more wouldn't hurt. Dyes are a lot better (mayhem is about the best). A lot of the talk comes from when they were of lesser quality, but a lot of people don't want to take the risk, so it's up to you. I'd stick to the main brands. PrimoChill is what I use, but I know Koolance and Feser all make quality stuff... in the end it's just tubing, it's only transport. I'd also look at primoChill's antikink coil as well for tight turns... also 45 and 90 degree fittings will help in this (this is why it is so important to get in your head where everything is going for the beginning).

Reservoirs serve no purpose other than hold the water and so you can see your coolant levels easy. That is all. Do you have extra bays? and if so do you want to see you your res from the front of you computer like this?
If so get a single bay reservoir.

If you want it to look like this
get a double bay reservoir

Note: If you get a bay reservoir, be aware they make split bay reservoirs. This is for 2 independent loops... unless you are running 2 independent loops, you will only use half of it lol, so don't get it if you run a single one.

If you don't like the look of a bay you can get an internal like this, and find a way to mount it


or you can just get a box one like this
http://www.clubOverclock.net/reviews...s/DSCF0850.jpg

There is no best reservoir, it all depends on how you want it to look and what spaces are available.
    
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post #10 of 10
Quote:
Originally Posted by Mystxc View Post
for the radiator on the top i was going to go with this..
http://www.frozencpu.com/products/40...or_-_Blue.html
or
http://www.frozencpu.com/products/50...or_-_Blue.html




Why not pony up the extra $20 and get one of these? They allow you to get the same performance as the ones above but with lower RPM fans. Thus a quieter system. Even so, if you use High RPM fans you will get even MORE performance than the 2 above because more metal = more cooling. The 800D can fit it easily. I have one in mine.

http://jab-tech.com/XSPC-RX360-Tripl...r-pr-4384.html





also on the top of the case where u can place fans i was going to cut that out also for better airflow and place 3 fans there( no idea what fans..) and place this over the fans to make it look nice
http://www.frozencpu.com/products/76...HR-1020BK.html



Looks good, and if you are comfortable with using a dremel, look at this guy's build. He modded the 800D to put a 480mm rad in the top of his.

http://www.overclock.net/case-mod-wo...odded-two.html





then for the 240 radiator i was going to go with this and cut out the bottom of the case and put it where he has it in the pic (the bottom right)
http://www.frozencpu.com/products/50...or_-_Blue.html



Stay with this



for the pump either 1 or 2 of these... idk what i would need... and is my 750w power supply good enough for all this?
http://www.newegg.com/Product/Produc...82E16835108082
or should i get a dif pump all together?




You need 1 pump. And like I said, I would recommend a 355 over a 655 because of the head pressure.




Okay I am still completely clueless on what reservoirs to buy...

umm how much tubing should I get? also any recommended brands? i was thinking of going with a blue tubing because I have been hearing bad things about dyes...

any advice with the fans? placement wise and also brands how to hook them up and everything...
read my replies above
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