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OCN Dave's Air Cooling Guide - Page 230

post #2291 of 2323
Quote:
Originally Posted by NotReadyYet View Post

Yeah I have a rear 120 mm exhaust. Should I set it as intake or what should I do?
I think we've talked about this before. Without monitoring airflow temperatures inside your case (especially component intake air temps) just adding and changing fans tells us little. Yes, there is a direct correlation between component intake air temp and component temp. But knowing the temperature difference between room and component intake gives us much additional information. If the component intake air temp and room is more then 4-5c, IMHO the case airflow needs to be worked on to remove heated air before it can mix with cool air going into components.
post #2292 of 2323
Wondering what changes I could make in regards to the fan configuration.

Exhaust: 2x 120mm fans on top (Corsair H100i radiator)
Intake: 1x 200mm fan on the front that I want to switch to 2x 120mm fans.
Exhaust: 1x 120mm fan on the rear.
Intake: 1x 120mm fan on the PSU.

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post #2293 of 2323
I've always thought that setups with a top mount exhaust radiator benefit from an abundance of intake more than anything else. Switching the front fan for 2x120mm is a good idea, but you could take it a step further by doing a 120mm fan mount mod in your 5.25 bays assuming you aren't using three of them.
post #2294 of 2323
rear intake could work, test out the temperature difference if you got the time.

also, if you flip the PSU to intake air from inside the case, it'll create a cold draft that would flow through the lower portion of the case, this is advantageous to some GPUs.
post #2295 of 2323
Quote:
Originally Posted by Curleyyy View Post

Wondering what changes I could make in regards to the fan configuration.

Exhaust: 2x 120mm fans on top (Corsair H100i radiator)
Intake: 1x 200mm fan on the front that I want to switch to 2x 120mm fans.
Exhaust: 1x 120mm fan on the rear.
Intake: 1x 120mm fan on the PSU.

What are your load temps now?
PSU fan has no relevance on case airflow. It is it's own little airflow system.
This means you have 3x 120mm exhaust with only the 200mm fan supplying case airflow.
You need to somehow have at least 3x 120mm intakes. We want more intake fan than exhaust, and we want intakes to have more intake flow potential then exhaust fan have. This means filtered intakes supply all air going into case, meaning less dust problems.

Ideally the intake air to radiator should not be contaminated by heated exhaust coming off of GPU cooler.

Corsair specs
Fan Mount Locations
Front: (x1) 200mm
Top: . .(x1) 200mm or (x2) 120/140mm
Rear: . (x1) 120mm
Not a lot of options.

Your front 200mm intake fan can be changed to 2x 120mm fans?
Maybe use 3x of your 5.25 front bays as an intake. This airflow would go directly to radiator.
post #2296 of 2323
Quote:
Originally Posted by DaveLT View Post


The only LED fan to buy is a CM Jetflo 120

The only one that breaks this tradition is the very fantastic CM Jetflo 120.

Finally..I was only reading comments about how much noise they make but eventually I got it and like it so much.. And when ocing and benching you crank up the speed and all is good smile.gif So much airflow
post #2297 of 2323
Thread Starter 
Quote:
Originally Posted by Frantik3 View Post

Finally..I was only reading comments about how much noise they make but eventually I got it and like it so much.. And when ocing and benching you crank up the speed and all is good smile.gif So much airflow
As LED fans go they are the best, sure they aren't exactly quiet but the airflow makes up for it.

Although I got sick of LED fans already and I'm using Deltas and Silencios now
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post #2298 of 2323
Quote:
Originally Posted by CastleBravo View Post

I've always thought that setups with a top mount exhaust radiator benefit from an abundance of intake more than anything else. Switching the front fan for 2x120mm is a good idea, but you could take it a step further by doing a 120mm fan mount mod in your 5.25 bays assuming you aren't using three of them.

Top mount rad is exhausting air already. Pretty sure it helps with the airflow (be it positive or negative, I can't remember, need more reading)
Quote:
Originally Posted by epic1337 View Post

rear intake could work, test out the temperature difference if you got the time.

also, if you flip the PSU to intake air from inside the case, it'll create a cold draft that would flow through the lower portion of the case, this is advantageous to some GPUs.

Rear intake might help cpu temps, especially until I do a push pull config for it. The stock fans on the rad don't move much air.
Quote:
Originally Posted by doyll View Post

What are your load temps now?
PSU fan has no relevance on case airflow. It is it's own little airflow system.
This means you have 3x 120mm exhaust with only the 200mm fan supplying case airflow.
You need to somehow have at least 3x 120mm intakes. We want more intake fan than exhaust, and we want intakes to have more intake flow potential then exhaust fan have. This means filtered intakes supply all air going into case, meaning less dust problems.

Ideally the intake air to radiator should not be contaminated by heated exhaust coming off of GPU cooler.

Corsair specs
Fan Mount Locations
Front: (x1) 200mm
Top: . .(x1) 200mm or (x2) 120/140mm
Rear: . (x1) 120mm
Not a lot of options.

Your front 200mm intake fan can be changed to 2x 120mm fans?
Maybe use 3x of your 5.25 front bays as an intake. This airflow would go directly to radiator.

Load temps are, if I can recall:
cpu freq: 4.5ghz
volt: 1.320v (can be lower, still testing, do it later)
cpu temp: 68c - 72c
ram isn't overclocked, just factory 1866. 9-10-9-27-1


Yeah, PSU's intake but only for the PSU itself, just flows right out again. I'm thinking about upgrading the fan for it, though the stock one is pretty decent from my readings.

I'm planning on moving the HDD cage back a slot and case modding the entire front panel and CD/DVD drive cage out as you can fit 3x 120mm fans snugly in the front mesh. I'd need to make my own fan bracket or buy one and mod it into this case, wouldn't be too hard to do just need the tools. For now I've just replaced the front 200mm fan and screwed 2x 120mm fans in the mesh. I've moved the HDD bay back to the mid slot infront of the PSU.

I'll run two benchmarks to confirm the before / after upgrade with the front fans and I'll flip the rear exhaust to intake.

Will reply post tonight.
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post #2299 of 2323
Where can I find used industrial fans for cheap? I checked ebay for Delta AFB1212's but they don't have much.

Also, are EK Vardar fans any good?
    
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post #2300 of 2323
Quote:
Originally Posted by wes1099 View Post

Where can I find used industrial fans for cheap? I checked ebay for Delta AFB1212's but they don't have much.

Also, are EK Vardar fans any good?
Ebay
Computer salvage yard
craigslist
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