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Efficiency of watercooling with multiple small radiators - Page 2

post #11 of 17
Thread Starter 
Quote:
Originally Posted by ejohnson View Post

I am using some $3.99 delta fans right now. They are not too loud.... about on par with my crap diablotek sfx psu's fan.
I think you should have no problem cooling your system with a few of these little rads. If you can plan the system right so that the rads take in fresh outside the case air, you should get the cooling you need. I would first start by seeing how many of these you need to cool your cpu, My guess is that 2 of them should get you just cooler than a stock intel heatsink. I would also say you should run 2 loops, one for gpu and one for the cpu.
If you need some measurements of thses let me know, I have 1 in my computer and 2 more waiting for new projects.
Allright, in the worse case i could end up using 7 of those with 12 fans. Most delta fans i found had nice air flow/pressure but seems noisier than more expensive ones, so it'll depend on how many of them are needed.
If you could confirm that the rad is less than 27.5mm thick that'd be great (i also saw some website saying 157x40x25mm for dimensions?) but as long as frozenCPU informations are right it'll be fine.
This is also the first time i see someone recommend two water loops x.x I dont really want to try fitting two pumps, especially that i was thinking of using Res...but i might have to anyway considering how many elements i'll be using, something like : Res>Pump>rad>GPU>rad>rad>rad>...>CPU>rad>rad>(backToRes)
Quote:
Originally Posted by WiSK View Post

Until very recently I was running an i7-3770K @ 4200 Mhz / 1.2V and a GTX 660Ti @ 1175Mhz on single AX120 rad. With push-pull fans at 1200rpm temps were fine (65C / 50C).
Obviously your Titan would put more heat into the loop, so you'd need a dual rad, and you'll likely have to delid your CPU.
Have you seen what this guy did? http://www.overclock.net/t/1340601/sg08-watercooled-280-mm-radiator
Whoa, I got jealous of his case until i realise it is exactly the same as SG07, the Silverstone website even used the same interior pictures for both. Well I'll be using a similar CPU bloc, but i'm not sure it'll be usefull to delid the CPU, adding even more heat to the system while the CPU shouldn't require intense cooling.
I also wouldn't hesitate doing the same build if i didn't have a sound card in the dvd slot + second hard drive to deal with ._. it's still possible but doesn't seems as efficient (see below)
Quote:
Originally Posted by Unicr0nhunter View Post

Would a 180mm Magicool Extreme slim rad (220 x 180 x 35 mm) fit where the 180mm silverstone air penetrator (180 x 180 x 32mm) is mounted to the top of that SG07 case? If so could you just move the fan to mount to it externally on top of the case (pull)?
This is the RAD i am planning to get, but it would be ~two centimeters too long to fit without modifying the case
Since the fan is 32mm thick i doubt i'll use it at all >.< i'll still consider using a slim one outside if there is no other solution

180mm :

+ Allow me to keep all hard drive bay and sound card at their actual position
= Cutting rear of the case so the 180mm RAD can overstep by 20mm (with the water tubes)
- Can only use a 150mm fan or mount 180mm externally (exactly 50mm between graphic card top and case panel, so a 180x15mm fan could fit INSIDE, but those seems non-existant)
- Need to relocate the power cable
+ Room for 80mm+2*40mm+3*40mm+2*120 RADS to be added (4 pieces)
324+64+80=468 (756 with 2*120mm)

280mm :
+ More heat dissipation than 180mm
- SSD relocated to the spot planned for the 2*40mm RAD
- 2TO drive against gpu (more heat)
= Cutting rear of the case for the Sound Card
- Room for 3*40mm+ 120mm RADS to be added (2 pieces)
392+48=440 (584 with 120mm)

(assuming this > 180mm = 324 || 140mm = 196 ||120mm = 144 || 80mm = 64 || 40mm = 16 is valid in an absolute way)

I am aiming for at least 576cm^2 of Rad surface (equivalent to two 120x240mm rads)
The 120mm value is separated since i might not be able to fit one, and use 40(more likely) or 80 or 92 mm instead
I couldn't manage to find the exact dimensions or a diagram for xspc razor gtx titan water block, the size of the connection on it's top is really important
Didn't buy anything yet but i'm pretty close to picking the first solution. I would have ordered the pieces one at a time and made tests with each but shipping cost..., i'll keep searching and looking for suggestions a few more days
Edited by turtleseek - 10/22/13 at 4:26pm
post #12 of 17









As for running 2 loops, You could use pump heads like I did with this antec one


But you might need 2 res then... that would end up taking up more space. Unless you bleed the system like I did. Then you can get a full loop with no res and no air smile.gif


BTW the angles of the photos make the end of the yard stick off, but its right on the edge, then I took the picture of the measurement side.
Edited by ejohnson - 10/22/13 at 6:35pm
post #13 of 17
Thread Starter 
Quote:
Originally Posted by ejohnson View Post

As for running 2 loops, You could use pump heads like I did with this antec one
But you might need 2 res then... that would end up taking up more space. Unless you bleed the system like I did. Then you can get a full loop with no res and no air smile.gif
BTW the angles of the photos make the end of the yard stick off, but its right on the edge, then I took the picture of the measurement side.
Thanks alot for those pircures ! It's even smaller than i expected
I'll be getting this rad first with the 180mm one and a couple of other pieces, then try fitting them in the case and make modifications and measurements. This will take me almost a month.
Once i know exactly what i can do with the case i'll be able to select the remaining Rads, fans, tubes, etc.
I am still aiming for 576cm^2 of RAD surface, meaning i would have enought of 3 Rads (180, 2*120 & 2*40) to cool the whole system, rather than going wheee.gif with 7 x 2*40cm Rads. That would also greatly decrease the cost of my loop.
Doing two loops wouldn't work with those 3 rads :|
According to previous posts, the heat dissipation for the GPU wouldn't be suficient if I used any other Rad than the 2*40 one for the CPU.
I would consider two loops (and adding a second 2*40mm Rad) if an Alphacool DC-LT Ceramic 12V DC Pump was sufficient for each, but i doubt it'd be enought for an OC'd Titan+180mm+2*120mm Rads on one of the loop....
Putting the CPU loop with this pump and GPU loop with a stronger one would either cost way more or require a noisy but cheap one on the GPU side.

I might also have to remove most of the water every 1-3 weeks to be allowed to pass airports security, in wich case the Res would really ease the frequent emptying/re-filling. I've found a 60ml Res that should fit (all 100ml/80ml ones I found were too tall)
I could keep the water in the CPU loop and only empty the GPU loop, but it would still require a Res...

I didn't do any research yet about pumps mounted on water block like yours, if I can find one similar to the one i mentioned it would be even better in the case of dual loop, but wouldn't help the situation on the GPU side :/
So for now i still believe a single loop would be more effective thumb.gif Thanks again for the idea and examples
Edited by turtleseek - 10/23/13 at 5:43pm
post #14 of 17
If you have not ordered your radiators yet, I found something perfect for you.
http://www.frozencpu.com/products/21606/ex-rad-652/Alphacool_NexXxoS_XT45_Full_Copper_Triple_40mm_Radiator.html?tl=g30c95s2075
Triple 40mm radiator.
post #15 of 17
Looking at Alphacool's own page it seems they have a good range of radiator sizes now http://www.alphacool.com/index.php/cat/c69_Radiators.html

As well as single, dual, triple and quad 120mm and 140mm in several thicknesses 30/45/60/80; there are also dual and triple 40mm, single and dual 80mm, single and dual 180mm.
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post #16 of 17
just make a pedestal based on a MO-RA rad smile.gif

or use an (external) cooler/chiller.... see KOOLANCE catalogue
post #17 of 17
Quote:
Originally Posted by RnRollie View Post

just make a pedestal based on a MO-RA rad smile.gif

or use an (external) cooler/chiller.... see KOOLANCE catalogue

Funny you say that, I ordered a pair of triple 40s so I can build a mitx sff with a mini pedestal for the 2 radiators.
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