I was thinking something like this:
http://www.xtremesystems.org/forums/sho ... 950&page=3

But you did say no modding, so never mind

2x 360 rads sounds like a better solution. The GTX 480s in SLI create a massive amount of heat!


EDIT: Can't you fit a slim rad in the top and a normal size rad in the bottom section of an 800D?

We need to look at the heat generated by your components, the speed of the fans you want to run, and the size of the radiator you want to run, and from that we can figure out some estimate of what the air/water delta temp will be. i7@4GHz = 230 watts (estimate from a PSU calc) DDC Pump = 18 watts GT...

To ensure airflow through the whole case you are probably better off blocking the vents on the top (assuming there is some at the front anyway) and having the fan exhaust.

What you say sounds logical, but you will really need to try it and see what gives you the best results.

Do not shutdown the pump if the PC is on however!

His testing methodology is pretty unreliable. He is using a cheap SPL meter at TEN cm... this is way too close (wait, why I am saying this, this is SPCR, I'm sure everyone knows this already :) ). Oh and his ambient temps are changing (16-19c), which can also change the results. To be fair, doing th...

Gigabyte are the ones I have experience with recently... my last ASUS board had terrible fan control! hah, but I am sure they have improved.

Check out EasyTune, specifically the Smart Fan section:
http://www.gigabyte.com.tw/FileList/New ... PX_ET5.htm

PWM control doesn't always produce ticking... from what I've read it depends on both the fan and the controller. None of my PWM based fan controls have cause noticeable ticking with my fans.

Some motherboards allow exactly what you describe, ie adjusting the bios controlled thresholds.

Alternatively, you can purchase a seperate controller, like an Aquaero, which you program via software but it has its own controller, so once its configured doesn't rely on the OS to be running.

Yes its exactly the same method of reducing the fan speed as PWM fans use... the difference is where it happens, either on the mobo or on the fan itself.

EDIT: The reason why its commonly used is you need somewhere to dump the heat generated if you are using a rheostat.

So being the generally curious person I am, I took this up with a Gigabyte rep, and asked him about it. He said, type of fan makes no difference, they both respond to the same sensor. He also said, that he was pretty sure (but not certain) that the sensor they reacted to was the core temps, not the ...

(I know I'm not answering your question sorry!)

What about getting a case with 2 rear fans, and removing the top fans and blocking the grills? It might give you more choices.... cause what you want isn't common!

I know its not internal, but what about mounting the radiator off the back of the case?

Actually I prefer a single loop... but I only have one, not very hot, GPU.

The advantage you get from two loops is you can choose what goes into each loop... so you can run your GPU loop a little warmer, and have your CPU loop a little cooler.

I saw your thread on XS (at least I think it was yours).


Yep 2 loops sounds like the best solution. Let us know how you go, and what improvements you see

Why are you looking for a case with rear facing 120mm fans? Why not on the top of the case? Its going to be tough (impossible?) to find a case with rear facing fans, as there is already a bunch of stuff on the rear (PCI slots etc). At best cases tend to have one single 120 or 140mm rear facing fan. ...

What are you trying to gain over zip ties? Zip ties should hold it very secure, and can be done fairly neatly (not that it would be very visible anyway). I don't think I have seen anything like what you want (I've just used zip ties in the past, although 140mm fans fit very tightly anyway), but I am...

No arguments about HWMonitor, its a great app, and the author is very responsive to suggestions and bug reports (at least if you are a paid user anyway). Thanks for the links! Very interesting. I am still not convinced that selecting voltage control vs PWM control for the fan changes which sensors a...

Thats not saying that PWM is based on Core Temp and voltage control is based on CPU temp tho. It doesn't make any sense to base 2 different control methods on different sensors when trying to achieve the same thing. If you use something like Gigabytes SmartFan software to change the fan settings, it...

The variation in temperature around a loop is typically small (1c ish), so GPU 2 really shouldn't end up with much higher temps than GPU 1. So given the water temperature is roughly even, splitting the loop like this probably wont make a huge difference. It may cause a difference in flow rates down ...

lodestar wrote: PWM works off the core temps. The alternative to PWM - voltage control - works off the CPU temp,

Have you got a reference for this? It seems (from a programming/software point of view) an odd distinction to make.

So you want to split the loop but with a shared res? In effect its still just one giant loop, as the water temperature will equalize anyway, so, at best, you may gain some performance from pushing more restriction into one loop and having a faster flowing CPU loop (ala the Typhoon III res), however,...

9G1212M402 is their 1950 rpm fan, and comparing the stats against a Scythe GT: SanAce / GT RPM 1950 / 1850 Air Flow 1.66 / 1.65 Noise 29 db / 28 db The fan you have listed compared with a GT SanAce / GT RPM 1500 / 1450 Air Flow 1.36 / 1.41 Noise 17 db / 21 db They seem pretty similar stats (and both...

Many motherboards do support CPU fan control with 3 pin fans (the mobo's actually typically use PWM to do this... but thats another story). There are definite advantages to some kind of dynamic fan speed control (be it in the bios or software ala speedfan), and some disadvantages. The pins for fans ...

Scythe GT, some newer San Ace (ie 9S1212L401) and any and all 140mm fans.

Anti-freeze will work. No need for anything fancy (although there are differences in the effectiveness of different anti-freeze).

The link doesn't work (for me anyway?). Google did work however: http://www.silentpcreview.com/forums/viewtopic.php?p=396538&sid=61519d0e5b259a004e82bffd88090f1c http://www.newark.com/sanyo-denki/9s1212l401/axial-fan/dp/96M1769 They sound great. Sanyo Denki fans are great quality fans, although usua...

Awesome, temps are looking *really* good !


You have to love the WC'd GPU temps.... no more roasting GPUs at 90+c under load


Make sure you keep an eye on the mix of metals tho, and keep your anti-corrosion stuff topped up!

Interesting figures. Its a pity we don't have access to better metrics, I'd love to know what kind of reliability figures SSDs have. My experience hasn't been great, but I just reinstalled on a HDD.... and do I want my SSD back! I am thinking at this point that I'll grab an Intel drive. They seem th...

Pulling air through the radiator is fine. Push vs Pull doesn't make a massive difference, especially at lower speeds.