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[Official] NZXT PHANTOM Owner's Club - Page 1141

post #11401 of 14930
how much you offering?
post #11402 of 14930
Anyone need a whole set of NZXT/Bitfenix white sleeved extensions? Enough for basically all your cables, SATAs, I/Os, 6 pins etc
ReaperX
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ReaperX
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post #11403 of 14930
Quote:
Originally Posted by Reaper2794 View Post

Anyone need a whole set of NZXT/Bitfenix white sleeved extensions? Enough for basically all your cables, SATAs, I/Os, 6 pins etc

I'd take for sure if blue tongue.gif
post #11404 of 14930
Quote:
Originally Posted by IT Diva View Post

Well, you asked about something I recently did a good bit of researching for a build of my own, so the info was in mind.

I'm doing my build in a NZXT Switch 810 case, their largest, with lots of room for water cooling options. I have the 420 GT-X up top, and a 240 GT-X on the bottom.
With an external unit, you'll not have much in the way of space limitations, so you can go for broke if you want.
For push fans, I'd go with these big Koolance fans: (be sure to get the grills, I have no doubt these could sever a finger tip in an instant)
http://www.frozencpu.com/products/12575/fan-823/Koolance_120mm_x_38mm_High_Speed_4000_RPM_184_CFM_Fan_FAN-12038HBK-184.html?tl=g36c435s1108
I have 2 on my 240 rad, and have a quick change setup I'm working on to use 3 more on the 420 that would for every day use, have 6 of these;
http://www.frozencpu.com/products/14514/fan-947/Prolimatech_Aluminum_Vortex_Series_140mm_x_25mm_CPU_Fan_-_Red_LED_1600RPM_127CFM.html?tl=g36c435s1105
Now notice that they are 120mm, so you'll want to use a shroud to open up the area under the fan hub above the rad to maximize efficiency by utilizing what would otherwise be a dead spot under the fan hub, and a 140 to 120 adapter.
This:
http://www.frozencpu.com/products/13406/ex-rad-260/Phobya_140x140x20mm_Fan_Radiator_Shroud_-_Plexi.html
and this:
http://www.frozencpu.com/products/9003/duc-48/Bitspower_Low_Profile_140mm_To_120mm_Fan_Adapter_-_Clear_BP-FA140120-CL.html
For pull fans the ultimate would be the same as the push fans set up, . . . but I think I'd try using 3 of these same ones I'm using first, or you're going to have a really massive bit of hardware.
http://www.frozencpu.com/products/14514/fan-947/Prolimatech_Aluminum_Vortex_Series_140mm_x_25mm_CPU_Fan_-_Red_LED_1600RPM_127CFM.html?tl=g36c435s1105
At 127 rated CFM, they are about the most I've seen in a 140mm.
The advantage to that setup would allow you to run each of the push fans off of 1 channel of a hi power fan controller, and the 3 pull fans off the 4th channel. .. Or alternatively, run 1 push fan and its associated pull fan off each channel and have a channel left for something else.
This is the controller I bought, and looks electrically like it might actually be able to handle nearly the 50W per channel it's advertised for:
http://www.frozencpu.com/products/14172/bus-284/Lamptron_50W_-_4_Channel_Aluminum_Throttle_Style_Fan_Controller_w_Multi_Color_Backlit_LEDs_-_Black_FC-9.html?tl=g47c17s817
I'm using 1 channel for each of the big fans on the 240, and 1 channel for the 3 pull fans, and 1 for the 3 normal use push fans. With the push fans fans changed out for the big Koolance ones, they plug directly to a molex adapter to the PSU.
It sounds like it's going to be an awesome bit of cooling hardware.
Darlene

Is the goal with the fans just highest CFM possible? Or is there some sort of bell curve?
post #11405 of 14930
Deleted
Edited by IT Diva - 9/12/12 at 1:21pm
post #11406 of 14930
Ooh, my Phantom needs to come back to the store... It didn't worked well at all so I need a new one...
I'm gonna pick up this afternoon so I'll have to build all the rig once again!

That's how my computer is right now.

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post #11407 of 14930
Quote:
Originally Posted by IT Diva View Post

No doubt, there's a point of diminishing return with respect to cfm after which you'd not see any increased performance.
The GT-Extreme has 20 fins per inch compared to about 12 fpi for many other rads of the same thickness. That's 66% more fin area (assuming equal thickness rads) that's capable of transferring heat to 66% more cfm.
Most common rad fans in the 1500rpm category are nominally about 100cfm rated, and deliver about 1 to 1.5 mmH2O static pressure
Now the gotcha here is that air flow rate, (CFM) is related to pressure (mm of water column), and is adversely affected by resistance, (number of fins per inch and thickness).
That's why it takes a lot of pressure to actually push a lot of cfm thru a hi-fpi rad. . . . . and why really low speed fans (with inherently nearly no pressure) utterly fail on 60mm thick hi fpi rads.
The Koolance fans are rated at 184 cfm, and an astounding 20mm H20 static pressure.
Koolance planned those fans for rads, and I have to think they have a pretty good clue what really works.
The tests I was thinking of as I was posting, were from Skinneelabs, and they ran different speeds of fans from 600 rpm up to 3000 rpm with the graph still going uphill with the 3000rpm fan on the GT-X while the other rads pretty much flatlined at about 1500 rpm in the test.
The Koolance fans have a really large fan hub diameter, the powerful motor is likey the cause, but without setting the fans back away from the rad, you'd have no air moved thru the rad right in front of the fan hub. That's why I suggest the shroud, so the air pressure gets equalized in front of the fan and uses all the fin area possible.
Darlene

Alright, so then would it be worthwhile to go for something even more rediculous? FrozenCPU apparently has some fans capable of 250+ CFM... The idea of a shroud really makes a lot of sense.
post #11408 of 14930
But fans like that arent really needed. Why do you think the Gentle typhoons are so popular. They offer the best cooling with out sacrificing db. If i needed something cranking that much cfm, a wind machine then. CFM isnt always the best to go with when cooling a rad. Thats why there are some many real world test to see what works and what doesnt.

Here is a link. Martin is on this forum and his work is outstanding.

http://martinsliquidlab.org/
Supernova
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Supernova
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post #11409 of 14930
Deleted
Edited by IT Diva - 9/12/12 at 1:21pm
post #11410 of 14930
Any problems with attaching the Corsair H100 radiator to the lower corner of the left panel in place of the two 120mm fans there as intake? Would this be an effective use or is there a more recommended location for greater cooling effectiveness?
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