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Old 07-04-08   #1 (permalink)
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Default Airflow on Radiator?

In my new Velocity build, I will have a 2x120mm rad on the top and a 3x120mm rad on the bottom of the case. I just wanted to know if it is better to put the fans on the grill then the rad as to push the air through the rad or after the rad as to pull air through.





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Last edited by sledgehammer1990 : 07-04-08 at 06:47 PM.
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Old 07-04-08   #2 (permalink)
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According to testing done by Ira having the fans pull air through the rad is best, by a degree or so.
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Old 07-04-08   #3 (permalink)
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You always want the coolest air going through the rad.

If the case ambient is 29C and room temp is 25C, you should see a 2-3C difference on your CPU temps by pulling in room temps.
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Old 07-04-08   #4 (permalink)
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cant agrue with Duckie, nor would I want to I agree 100%...always pull the coolest air
out of curiosity....what case is that???
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Old 07-04-08   #5 (permalink)
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Check my Velocity build in my sig for more pics and mods, it's the Lian Li PC-V2100 PLUS II Aluminum Server Case.
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Old 07-04-08   #6 (permalink)
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Quote:
Originally Posted by DuckieHo View Post
You always want the coolest air going through the rad.

If the case ambient is 29C and room temp is 25C, you should see a 2-3C difference on your CPU temps by pulling in room temps.
I don't think you fully understood my question. What I meant was always taking the air from the room, but having the fans push the air through the rad or having the air being pulled through the rad. Both will be getting air from outside the case.
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Old 07-04-08   #7 (permalink)
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when it comes from push vs pull.....ira-k did some testing that shows pull is better than push but push & pull with shrouds is king. If you had to choose between the 2 pull is where it's at. What usually goes unsaid is "always use shrouds when you can"
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Quote:
Originally Posted by MrBungle
you people will do anything to drop your temps by a small margin. if i told you a mouse running in a little wheel would lower your temps by two degrees, half you guys would be at a pet store buying supplies.

System: got quad?
CPU
Q6600 @ 3.2GHz
Motherboard
DFI DK X48-T2R
Memory
4GB OCZ Reaper 1066
Graphics Card
EVGA 8800GTX
Hard Drive
2x160GB Raptor(raid0) 2x750GB (raid1)
Sound Card
X-Fi extreme music
Power Supply
P&C 750W
Case
Rocketfish
CPU cooling
D-Tek fuzion v2
GPU cooling
DD full coverage block
OS
Vista64 Ultimate
Monitor
Dell 3008WFP 30in
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Old 07-04-08   #8 (permalink)
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Quote:
Originally Posted by razar View Post
when it comes from push vs pull.....ira-k did some testing that shows pull is better than push but push & pull with shrouds is king. If you had to choose between the 2 pull is where it's at. What usually goes unsaid is "always use shrouds when you can"
QFT! Not sure if he will have room in that case, especially up top, but man that thing is sexy.
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Old 07-04-08   #9 (permalink)
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nice case, wrong side for me though......I need the pretty stuff on the other side
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Quote:
Originally Posted by MrBungle
you people will do anything to drop your temps by a small margin. if i told you a mouse running in a little wheel would lower your temps by two degrees, half you guys would be at a pet store buying supplies.

System: got quad?
CPU
Q6600 @ 3.2GHz
Motherboard
DFI DK X48-T2R
Memory
4GB OCZ Reaper 1066
Graphics Card
EVGA 8800GTX
Hard Drive
2x160GB Raptor(raid0) 2x750GB (raid1)
Sound Card
X-Fi extreme music
Power Supply
P&C 750W
Case
Rocketfish
CPU cooling
D-Tek fuzion v2
GPU cooling
DD full coverage block
OS
Vista64 Ultimate
Monitor
Dell 3008WFP 30in
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Old 07-04-08   #10 (permalink)
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Quote:
Originally Posted by Tufelhunden View Post
QFT! Not sure if he will have room in that case, especially up top, but man that thing is sexy.
WHAT! first off, what does QTF stand for? Second, not enough room! do you realize how big this thing is?!?

Quote:
Originally Posted by razar View Post
nice case, wrong side for me though......I need the pretty stuff on the other side
Third, I love that this case is on the other side. Mid tower on my right(currently in use), and Server Tower on left.

QFT: Quoted For Truth?
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System: Velocity
CPU
AMD Phenom 9500 2.5Ghz @ 1.44V
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MSI K9A2 Platinum 790FX
Memory
G.SKILL 4GB (2X 2GB) DDR2 1000
Graphics Card
2x ATI 4870 1GB CFX @ (820/950)
Hard Drive
WD RaptorX + Seagate 500GB
Sound Card
Auzen X-Fi Prelude 7.1
Power Supply
Corsair 750TX
Case
Lian Li V2100 PLUS II w/ Window
CPU cooling
Tuniq Tower 120
GPU cooling
Stock
OS
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Monitor
2X Samsung 23" 2048x1152

Last edited by sledgehammer1990 : 07-04-08 at 05:58 PM.
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