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Need fan advice, please.

C

cloudkat

Limp Gawd
Joined
Feb 22, 2004
Messages
140
Hello all,

I am planing out my WC upgrade and I think I have it all planned out except for the fans .

Here is my system I will be cooling:
I7-860 (soon to go to a 2600k when the Z68 Express comes available)
Two EVGA GTX 580 FTW Hydro Copper 2
I am also going to get a 700D to put it in once the case mod is finished.

What I am looking at buying is this:
TIM - Indigo Xtreme
RAD (primary)- Black Ice SR1 360 ~or~ XSPC RX360
RAD (secondary)- Black Ice SR1 120 ~or~ XSPC RX120
CPU WB - EK Supreme HF P1
Pump - Swiftech MCP35X
Res - Swiftech MCP35X Reservoir, Rev 2
Fans - ??Which ones?? (x4/pull or x8 push/pull)
Tubing - 1/2" I.D. (clear Tygon w/red UV dye ~or~ Feser UV red tubing)
Fittings - 1/2" (Compression most likely)(x12)
Liquid - Distilled water w/ killcoil
Control/Monitoring - Alphacool Heatmaster ~or~ a combo of Innovatek IPC Controller and Akasa Allinone2

Now my question is this; What fans, and how many, would be best for this setup? I want to run as silent as possible, but I am willing to put up with some sound if needed.
I am thinking about running Scythe Gentle Typhoon 1150 or 1450 @ 600 - 800rpm for normal use and having the ability to ramp them up some if needed.
But, if these are a good choice of fan, how many do you guys think I will need? Just 4 in a pull configuration, or 8 in a push/pull config?

I guess while you guys are looking at my planned set up, is there any other suggestions on this system for better performance?
 
I personally would go with 8, and go with the 1850 RPM fans. Those spin down to ~1000 RPM easily, which is pretty much silent for most purposes.
 
Tsumi said:
I personally would go with 8, and go with the 1850 RPM fans. Those spin down to ~1000 RPM easily, which is pretty much silent for most purposes.
Click to expand...

+1
definitely get higher rated fans and spin them down during normal operation. at least you allow yourself some head room in the future (crank up fans for testing or stinking hot day).

would also consider getting the more powerful MCP6xx pump. i know it means you lose the pump/res combo but swiftech does have the microres which will fit pretty much anywhere.
 
The D5 isn't necessarily more powerful than the DDC. They both have their advantages and disadvantages.
 
aphasia said:
+1
definitely get higher rated fans and spin them down during normal operation. at least you allow yourself some head room in the future (crank up fans for testing or stinking hot day).

would also consider getting the more powerful MCP6xx pump. i know it means you lose the pump/res combo but swiftech does have the microres which will fit pretty much anywhere.
Click to expand...

The reason I chose that pump was based off of this review:
http://skinneelabs.com/swiftech-mcp35x/

Do you not think that it will have enough "Oomph" for my system?
 
The Laing D5/MCP655 has a higher flow rate, but lower head pressure than the MCP35x. Meaning, for a highly restrictive system, the MCP35x will be better than the MCP655. In a low restriction system, the MCP655 will be better.

Both the MCP655 and the MCP355 should have more than enough power for your system. Flow rates don't really matter as long as you stay above a certain limit (not sure where that is).
 
I asked the same question the othere day. Just recied my 6 gentle typhoons to go in my 700d case the other day. 1850 rpm.. Better to have to much then not eoungh you can always run them at 7v.
 
Spend the money and get the ap-15's with a decent fan controller and you are set. I use the lamptron fc-2 and have 4 fans on one knob which is awesome, it can handle alot of power. The scyth's are so worth the investment because they are super high quality which equates to quietness. Couple the double ball bearings with a fan controller and you can move tons of air when you need to and tone it down when you want silence. Pull is the best way to go but having a push/pull setup would be better, but I don't think it's worth it.

As long as you have decent airflow throughout the case a single set of fans on a rad will just save you a ton of room, but if you want more watt dissipation, then go with bigger rads. I think it's far more worth it to go form a 120 to 220 or 220 to 320 etc. rather than double up on the fans. Can never have too much raddage. Yes it's a word! lol

Almost forgot, DO NOT USE DYE. I know it looks cool, but think of the long term and what it does to your loop, nasty stuff. Distilled water is much simpler and with a little pt nuke you can pretty much set it up and forget about it for a long time. Maybe clean once a year if that.
 
Italiano86 said:
Spend the money and get the ap-15's with a decent fan controller and you are set. I use the lamptron fc-2 and have 4 fans on one knob which is awesome, it can handle alot of power. The scyth's are so worth the investment because they are super high quality which equates to quietness. Couple the double ball bearings with a fan controller and you can move tons of air when you need to and tone it down when you want silence. Pull is the best way to go but having a push/pull setup would be better, but I don't think it's worth it.

As long as you have decent airflow throughout the case a single set of fans on a rad will just save you a ton of room, but if you want more watt dissipation, then go with bigger rads. I think it's far more worth it to go form a 120 to 220 or 220 to 320 etc. rather than double up on the fans. Can never have too much raddage. Yes it's a word! lol

Almost forgot, DO NOT USE DYE. I know it looks cool, but think of the long term and what it does to your loop, nasty stuff. Distilled water is much simpler and with a little pt nuke you can pretty much set it up and forget about it for a long time. Maybe clean once a year if that.
Click to expand...

For people looking to completely internalize their setup, a larger radiator is sometimes not an option. Also, for people with high FPI (fins per inch) radiators, push/pull is also definitely worth it. And I fall into both those categories.

Agree on the dye though, don't use it. It looks really nasty when you take the blocks apart.
 
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