Help on Radiator selection.

Jesse Davie · Aug 30, 2013

Sure sure, you can call this system overkill, but I plan on OC-ing and doing SLI.
_____________________________________________
Case: Corsair Obsidian 800D
Motherboard: MSI Z87-G45 GAMING
PSU: Corsair HX Series HX850 V2 850W

CPU: Intel Core i7-4770K 3.GHz LGA 110
Water block: Ray Storm CPU Water block

GPU: EVAG Super Clocked GTX 770 2GB
Water block: XSPC Razor GTX 770

RAM: Corsair Vengeance 16GB (2x8) 240-Pin DDR3 SDRAM DDR3 1600
HDD/SSD: Samsung 840 PRO Series 128GB SSD (Got a spare 1TB HDD in my current PC)
Storage bay adapter for SSD: Cooler Master 3.5" to 2.5"

OS: Windows 7 Professional 64bit (I plan on getting another 16GB of ram in the future)

Cooling Specs:
Rad: XSPC RS360 Triple Fan Radiator
Res/Pump: XSPC X20 750 Dual Bayres/Pump
Fan controller: NZXT Sentry 2 Touchscreen Fan Controller
Fans: NZXT FZ-120mm LED Airflow Fan, Blue (x3)

Note: I may get a XSPC Memory Waterblock for the RAM. (Might have to change ram if I get this).
_____________________________________________

I plan on OC-ing the CPU and maybe upgrading to dual SLI in the future. But right now I need to know if a single 360 Rad can handle the CPU (OCed) and GPU by itself. If it can't, would I best be installing a 120 rad at the back or adding a 240 rad to the bottom (Yay case mods! Would rather not), or putting fans with a higher RPM on the 360 rad?

Hashwagon · Aug 30, 2013

I would just snag an H100i. My CPU idles at 12F and has never gone over 128F in a heavily modded skyrim. I've yet to overclock yet.
If it runs a little hot you could add several fans for sub-zero temps: http://www.youtube.com/watch?v=VUbpb23yTK8

Jesse Davie · Aug 30, 2013

Hashwagon :

As much as I like the concept of below 0c temps. I'd rather do a custom loop... But damn... Below 0c temps are taunting ha.

manofchalk · Aug 30, 2013

Hashwagon :

:lol:
Been a while since I have seen this.

So you have an overclocked CPU and GPU under water, I reckon a thick rad with good fans could handle that. Though of course, you will want to calculate the TDP of the components compared to how much the rad can dissipate at various RPM's. Although if you want to be really sure, getting far too much rad space is never a bad thing.

I suggest you get a beefier pump, the X20 750 is really only good for CPU only loops like lower end Raystorm kits.

Jesse Davie · Aug 30, 2013

manofchalk :

Would the D5 Vario be a better choice?

And how thick would you suggest the Rad be? I was going for the RS since its more thin.

The RX360 seems to be a pretty thick one. Seems to be a tight fit to fit it with a push pull config, but from the looks of it, people are running SLI and a CPU off it. Only thing that has me stumpted now is how would I install the actual thing into the case, since fans are now on both sides of it. http://img100.imageshack.us/img100/1655/800dc.jpg . Haha I must sound like an idiot going "How would I put a rad with push pull in duurrr"

Oh dear. Push pull may not work with this Mobo. The heat sinks on the motherboard are right at the top. http://content.hwigroup.net/images/products/xl/186920/2/msi_z87gd65_gaming.jpg

I guess I could remove the sinks and use a mobo water block... Or have the bottom middle rad fan not on... Would you have a recommended replacement for the MSI Z87-G45?

manofchalk · Aug 30, 2013

Much better choice than the X20.

Thickness of the rad doesnt necessarily indicate its performance, just there is a tendency. I suggest you look into higher performance rads, an RS360 I feel might not be able to handle that much heat (indeed, I added an additional EX360 when I included my 7970 in the loop).

Screws go through the case and fan and screw into the rad, holding it up. The bottom fans just plain screw to the rad.

The RX360 isnt a particularly high FPI (Fins Per Inch) rad and works well with medium performance fans, if you had a set of say Scythe GT's on the one side having Push/Pull may not even be necessary.

Jesse Davie · Aug 31, 2013

manofchalk :

I'm looking at Corsair Air Series SP120 Performance Edition 120mm. Still trying to figure out if they would work with a NZXT Sentry 2 Fan Controller, seems to plug into a mobo with an open standard 3-pin fan connector, so it should work.

Would these fans be a good choice and lower the need of Push pull? Or would I be better going for those Scythes (I can't believe I hate seeing the word Scythe because of Planetside 2 :c Damn Vanu). I've still gotta do the TDP (Which I bet is going to be hell)

manofchalk · Aug 31, 2013

SP120's are fairly good fans, not the best but are good.

The way fan controllers operate is that they plug into the PSU, then redistribute power to fans plugged into it. Motherboard isnt involved at all.
I recommend a manual (knobs and sliders) fan controller instead of a digital one with a screen, you typically get more Watts per channel (knob) as it doesnt have to power a screen and the extra feature on a digital controller like PWM are IMO useless.

TDP isnt too difficult, the RX360 has plenty of reviews and the TDP of components isnt hard to find. Calculating the overclocke TDP is going to be a bit more difficult, but the water-cooling sticky does contain a formula which you may find useful (if you haven't read this already I suggest you do).
http://www.tomshardware.com/forum/277130-29-read-first-watercooling-sticky

Jesse Davie · Aug 31, 2013

manofchalk :

Yeah may do the TDP in around 10 minutes or after I wake up. I'd have to take into account all electonic items correct?

manofchalk · Aug 31, 2013

Only whats being cooled by the loop. Throw in another 30W for the pump as well.

If your calculating how big a PSU you need then you need to include the TDP of everything in your machine (TDP = Power consumption = Rough estimate of heat output).

Jesse Davie · Sep 1, 2013

manofchalk :

I7 4770K + MSI GTX 770 GAMING
84 +230
=
314+ 30w pump = 344

I7 4770K + SLI MSI GTX 770 GAMING
84+230x230
=
548 + 30w pump = 578

According to the chart on the watercooling guide, the RX360 can remove 625watts at @2000RPM.

The SP120 High performance fans have a 2350 RPM. So according to this, the rad can handle a SLI setup with a non OC CPU.

Doess this sound about right?

manofchalk · Sep 1, 2013

Sure, if you want your machine to sound like a jet engine with fans spinning that fast.
I would be aiming for fans at around 1200RPM, which is decently quiet. You need more rad space for what your aiming to cool pretty much.

Jesse Davie · Sep 1, 2013

manofchalk :

Looks like I'll have to mod the bottom of the case to fit a 240 RX in. SP 120 Quiet Editions have a 1450RPM. Would that be a good choice or would that still be pretty loud? I could get the Scythe 120mm Slip Stream Fan 1200 RPM.

Also quick question about a water block. XSPC Razor GTX 770 is listed as "Supports GTX 770 cards (Nvidia reference design only)" I'm guessing its designed for the Nvidia GTX 770.
Do you know if it will work with a MSI GTX 770 Gaming or a EVGA GeForce GTX 770 2GB?

manofchalk · Sep 2, 2013

You can buy whatever fans you want and with a fan controller reduce them to about the RPM you want. The SP120's are fairly good radiator fans (there is more to a fans performance than RPM).

Depends on if those cards follow a reference Nvidia 770 PCB design.
Punch the model number of the card into Cooling Configurator and it will tell you if its a reference PCB or not.

Jesse Davie · Sep 3, 2013

manofchalk :

Damn the MSI wont work with it. Guess I'll be grabbing myself a EVGA GTX 770. Maybe even SLI-ing.

Pretty much set and I'm about to order the case. Just one last question. Would a single D5 Vario be strong enough to handle
Res -> Cpu -> 360Rad -> GPU -> GPU -> 240Rad -> Res? The res is a XSPC D5 Dual Bay Reservoir/Pump Combo. Would I need a secondary pump to handle the demand? I know pipe length would be a factor but I'm not gonna have super dangly tubing. The tubing is Alphacool Masterkleer 13/10mm UV-active Blue (3/8"ID)

manofchalk · Sep 3, 2013

Have the GPU's in parallel and that pump will be sufficient.
Having the cards in parallel effectively halves the flow through each, but reduces their combined resistance to flow to about 1/4 of that in Series which in turn is going to up your flow significantly.

Unless your talking meters of tubing, it doesn't matter.

4Ryan6 · Sep 3, 2013

Hashwagon :

There's absolutely no way your CPU is idling at 12F with an H100i that's -11c. :lol:

For your CPU to idle at 12F would require much lower ambient room temperature, Do you live in the Artic or a walk in freezer?, whatever software is reporting those temperatures is way off.

As far as that link is concerned I don't care how many fans are stacked together ambient air is still ambient temperature, the missing information from that farce link is the room temperature.

It's going to take a lot more than a few fans to get below ambient! :pfff:

manofchalk · Sep 3, 2013

^ That video is a pretty obvious joke, he is pretty sarcastic the whole time and outright says its a joke at the end.

4Ryan6 · Sep 3, 2013

manofchalk :

I didn't watch it all the way to the end, when he was saying he couldn't hear anything and the microphone was calling him a liar, I didn't watch much past that, I did see his temperature readings which were totally bogus!

Jesse Davie · Sep 3, 2013

manofchalk :

Looks like the Razor GTX 770 wont work like that. The port on the left takes water from all directions, same with the right. I'd have to use two 90° rotary fittings to direct water out of one of the front ports and side ports down to the bottom card and use another two 90° rotary fittings... But I get the feeling the actual flow of the card would bottle neck it, not sure why though.
:I

Those are titans but the concept is the same. Have two 90 degree rotarys on the front and side going down.

manofchalk · Sep 4, 2013

I dont see how you couldn't set up a parallel array with that block.
As long as there are two paths between the blocks and the water flows in and out of them on opposite sides then you have a parallel array. Would be as simple as throwing another one of those bridges at it.

Jesse Davie · Sep 6, 2013

manofchalk :

Water doesn't go in from the top and out the bottom. It comes in from one side and out the other. Hence I'd have to have the water come out of two ports on the side I'd use for an exit and direct them with rotary fittings. I'll look for a diagram if needed.

4Ryan6 · Sep 8, 2013

manofchalk :

Affirmative!

Help on Radiator selection.

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