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Will what I want be enough for cooling with headroom?

post #1 of 5
Thread Starter 
Hey Guys,

Been a while since I've posted but I'm getting sick of my XSPC Pump with it's bad impeller so I'm looking to upgrade.

I want this setup to go towards my final computer which I will outline the important components. I just want to know what the best options are for what I want to do.

What I want:
Case: cosair 800D
GPU: evga 670 ftw + (4 gbs vram edition with the pcb of a 680) x2 (http://www.newegg.com/Product/Product.aspx?Item=N82E16814130824)
16gbs of 1600+ RAM
85ml inline res

What I have:

i7-3820
XSPC 240 thick RAD (http://www.xs-pc.com/products/radiators/rx-series/rx240-dual-fan-radiator/) I believe
XSPC res+pump combo
1250w PSU
(full setup is in my sig)


My questions: Will I be able to get away with water cooling in series both the GPUs and CPU in one loop with a d5 pump? And should I get a top mount for it for better flow? Also I'm assuming I'm going to need another radiator so I want to know what would be optimal. Either get a single 120 thick for the cpu and use the 240 thick for the two GPUs? Or should I use the 240 for my cpu and get a 360 for the GPUs? Or should I do two separate loops one for the cpu and one for the GPUs?

I want it to be cost effective but I don't want cost to be a limiting factor.

Other thoughts. I want to OC my cpu to at least 5.0 ghz and I want to OC the GPUs past the evga stock OC.

So overall questions I guess would be. Single or dual loop? and if single would the d5 pump have enough flow to get through it? What should my radiator combination be? I should add I will want to do this in a push/pull setup with some nice yate loon fans.

Thoughts appreciated and I'll answer any questions you have! Thanks in advance
post #2 of 5
The single 240mm rad will work, but I would recommend at least adding another 120mm. The best rule of thumb I use, is 120mm per block + an additional 120mm for overhead. That said, also look at what you will be doing. If you will be gaming, the 240 will be sufficient, with slightly elevated temperatures (3-5C likely). If you will be doing normal computer stuff, same thing, it will work. If you want to constantly benchmark, run BOINC or Folding, it will still work but you will likely see the temperatures creeping up until you add another 120mm. Adding a 360mm is overkill.

For reference, I ran dual 570s and an i5 2500k at 5ghz on a 360mm and 120mm without any adverse affects.

I also ran triple 5870s with a lower end AMD 945 on two 240mm rads without issue.

Single loop in all scenarios and the D5 will be more than sufficient. For ease of filling, I would recommend upping the reservoir to 150ml but that is not required by any means.
 
Liquid i5
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Liquid i5
(18 items)
 
Budget BOINCer
(11 items)
 
CPUMotherboardGraphicsGraphics
Intel i7 3930k Asus Rampage IV Gene Micro ATX LGA2011 Diamond Radeon HD 7970 Diamond Radeon HD 7970 
RAMHard DriveCoolingOS
G.Skill Ripjaws X Series 16GB (4 x 4GB) DDR3-1866 Samsung 840 Pro Series 256GB Heatkiller Waterblocks! Windows 8 Pro 
PowerCase
Seasonic X-850 Mountain Mods H2gO, black wrinkle, Left H Windo... 
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.5ghz 1.428v Gigabyte GA-P67A-UD4-B3 EVGA 570 SC SLI@ 900/2000 1.1v G-Skill Ripjaws 16gb 
Hard DriveHard DriveOptical DriveCooling
Crucial C300 128gb Samsung F4 2TBx4 Raid5 LG Bluray Combo GPU - HK GPUx3 
CoolingCoolingOSMonitor
CPU - HK Rev 3.0 360+120 Rads, Gentle Typhoon AP-15s Win7 Pro x64 Samsung SyncMaster XL2370 
PowerCaseMouseAudio
Corsair HX750w Cooler Master HAF X Logitech G9 Razer Barracuda AC-1 
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Phenom II x4 945 MSI 790FX-GD70 3x HD 5870 G-Skill Ripjaws 2x2gb Blue 
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post #3 of 5
240+240 would be minimum for decent temps. i would go with a 360 and your 240. youll be able to run those loons slower and a lil quieter.
are you thinking of also getting blocks for your board? and yes a bigger res if you have the space. it will help and make things easier.
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w00t
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post #4 of 5
As has been said, single loop definitely is the most simple and elegant way to cool. Unless you have a monstrously large case, like a TJ11 or 900D, or a Caselabs case, dual loops is probably not an option. For dual GPUs + CPU definitely have a 360 + 240 rad configuration at least, maybe more if you're doing serious overclocking. I've got a 480 + 360 for my 920 + 2x 580's and it's overkill, but it won't overheat ever, and I've pushed them pretty hard. If you get a D5, make sure to get a top for it as well, as that increases the overall power of the pump, and also gives more options of how you can put fittings on it.
post #5 of 5
Thread Starter 
Thanks for the advice. I'll probably get the 360 just for the headroom and I can't imagine it would be much more than a 240. Also for the pump is it worth it to get a top mount for the complete loop or would a swiftech d5 have enough power to get through ek blocks on the gpus? Will it be a noticeable gain in temp drops or just a waste of money?
Edited by 15goudreau - 5/13/13 at 10:17am
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