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NZXT Switch 810 Cooling Setup

post #1 of 7
Thread Starter 
Hello Guys,

I have the following setup:

NZXT Switch 810
i7 3770k @ 4.6Ghz
Corsair H100i
Asus Maximus V Formula
G.Skill 4GBx2 DDR3 1600Mhz
WD Black 1TB
Samsung Spinpoint F3 1TB
Intel X25-M G2 80GB SSD
Corsair AX1200 PSU
Sapphire HD 7950 Vapor-X Boost Cards (1070/1400)


My cooling is setup like this:

2x140mm Bitfenix Spectre Pro (Front Intake) - 84CFM x 2
2x140mm NZXT FN-RB 140 (Near HDD Bays as Tilted Fans pointing at my GPU's) 62 CFM x 2
1x140mm NZXT FN-RB 140 (Rear Exhaust) 62 CFM
1x140mm NZXT FN-RB 140 (Top Front Exhaust) 62 CFM
Corsair H100i in Push/Pull (Exhaust with Corsair SP-120 HP Fans)

I dont have anything setup at the bottom, My load CPU Temps are normally at 64-67 degrees Celcius. However, since I have got the 7950 Vapor X cards in crossfire, my CPU is running a little hot. Gaming load on my CPU is about 70-72 degrees. I want to reduce these temps. What can I do here. I guess I have more exhaust than intake as the tilted fans do not come into count as intakes since they are only re-directing the air coming from the front fans towards the GPU's and these are stock NZXT fans. They are not that powerfull. Any ideas guys?

1. Should I get better fans to replace my NZXT 140's.
2. Should I change the H100i fans to intake. If yes, then what about exhausting all that heat?
post #2 of 7
If you turn them to intake you will just have a positive pressure case which helps keep dust out somewhat instead of sucking it in every crack and crevice. With the h100 in-taking from the top unless you throw filters on it you may have some dust appear inside the case. I have my 360 rad in-taking in push pull from the top.

The 140s aren't super high CFM as they are low RPM, its the old noise vs movement of air. Do you care about loud fans? Will it make a difference I doubt it not without taking out the HDD cages and that's only a maybe.

To answer your question the air will find its way out of your case so don't worry about exhausting it, I'd give it a shot its not going to hurt anything.
Edited by CircuitFreak - 8/15/13 at 9:44pm
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post #3 of 7
Thread Starter 
Quote:
Originally Posted by CircuitFreak View Post

If you turn them to intake you will just have a positive pressure case which helps keep dust out somewhat instead of sucking it in every crack and crevice. With the h100 in-taking from the top unless you throw filters on it you may have some dust appear inside the case. I have my 360 rad in-taking in push pull from the top.

The 140s aren't super high CFM as they are low RPM, its the old noise vs movement of air. Do you care about loud fans? Will it make a difference I doubt it not without taking out the HDD cages and that's only a maybe.

To answer your question the air will find its way out of your case so don't worry about exhausting it, I'd give it a shot its not going to hurt anything.

I am just worried about the 2 7950's exhausting all the hot air. The heat actually comes out of the top where I have my H100i. I have not felt it coming from the rear of the case. I was also thinking of replacing all the NZXT fans with Bitfenix Spectre Pro 140's. Should I do it. I already have 2 of them at the front and they are good. I have also ordered for a Deepcool Xfan 5 slot cooler to exhaust all the hot air from the back. What do you think?
post #4 of 7
Quote:
Originally Posted by irfanrafeeq88 View Post

I am just worried about the 2 7950's exhausting all the hot air. The heat actually comes out of the top where I have my H100i.

They are not blower style cards they will dump some of the heat back into the case which may be making its way up to your H100.
Quote:
Originally Posted by irfanrafeeq88 View Post

I have not felt it coming from the rear of the case. I was also thinking of replacing all the NZXT fans with Bitfenix Spectre Pro 140's.I already have 2 of them at the front and they are good. I have also ordered for a Deepcool Xfan 5 slot cooler to exhaust all the hot air from the back. What do you think?

I've read people have good results actually taking the rear fans out and having all intakes. With a fan in the rear you can only exhaust what the rear fan will move air wise, with no fan the air will get out as fast as it can. Also do you use both HDD cages? Taking one out will give you unblocked air flow from the front.

If you feel the H100 with hot air I'm guessing all of your cases hot air is exhausting through that and you must be starting with higher temp air in which gets your temps up. Would deff flip that for intake and take the rear fan out.

I haven't had good results with slot coolers but someone but they are mostly to remove dead spots of air which i doubt you have in that case.
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post #5 of 7
Biggest problem is you have 2x 7950's pumping up to 200w of heat out of each one into your case... your CPU is only pushing 77w, maybe 100w with overclock... CPU is 1/4 the heat of GPU's...

How hot are your 7950's running?

Slot coolers are a waste of money... 17cfm. rolleyes.gif Your 7950's fans each pull way more air than that... and the slot cooling is only going to compete with GPU for air between them.

You could try turning your back fan into an intake to supply cooler air under H100i.

Or turning H100i into an intake.

Better front fans will move more air into case... and removing at least the top part of HDD cage will make a big difference.

A good bottom intake will supply cool air to bottom 7950. I would raise case up so you have 40mm gap on side for airflow to bottom fans.
post #6 of 7
Thread Starter 
Quote:
Originally Posted by doyll View Post

Biggest problem is you have 2x 7950's pumping up to 200w of heat out of each one into your case... your CPU is only pushing 77w, maybe 100w with overclock... CPU is 1/4 the heat of GPU's...

How hot are your 7950's running?

Slot coolers are a waste of money... 17cfm. rolleyes.gif Your 7950's fans each pull way more air than that... and the slot cooling is only going to compete with GPU for air between them.

You could try turning your back fan into an intake to supply cooler air under H100i.

Or turning H100i into an intake.

Better front fans will move more air into case... and removing at least the top part of HDD cage will make a big difference.

A good bottom intake will supply cool air to bottom 7950. I would raise case up so you have 40mm gap on side for airflow to bottom fans.

I guess you are right. I will request for a refund for the Slot cooler. What about more Bitfenix Spectre Pro 140mm fans. I am thinking to replace all the NZXT fans with Bitfenix Spectre Pro's. So 4 of them should do the trick. Will also try and remove the top HDD cage as its not in use.

My 7950's are setup with a custom fan profile. Example: 1 degree = 1 % fan speed. They do not exceed 74-75 degrees at load and this is with overclocked cards to 1070Mhz at stock volts.

And what about the H100i? should I just install it on the top front slot? I have space to install a triple rad/fan. So, I was just wondering if I should move my H100i to the top front?
post #7 of 7
Quote:
Originally Posted by irfanrafeeq88 View Post

I guess you are right. I will request for a refund for the Slot cooler. What about more Bitfenix Spectre Pro 140mm fans. I am thinking to replace all the NZXT fans with Bitfenix Spectre Pro's. So 4 of them should do the trick. Will also try and remove the top HDD cage as its not in use.

My 7950's are setup with a custom fan profile. Example: 1 degree = 1 % fan speed. They do not exceed 74-75 degrees at load and this is with overclocked cards to 1070Mhz at stock volts.

And what about the H100i? should I just install it on the top front slot? I have space to install a triple rad/fan. So, I was just wondering if I should move my H100i to the top front?
What you use for case fans is your decision. I've not used Bitfenix Spectre Pro so don't know how good/bad they are. Turning the back exhaust into an intake would supply cool air to H100i... Removing the HDD cage should help supply H100i with cool air too. I would try those and see what you get. It might solve all your problems.

Your 7950's are doing just fine.

I don't think moving H100i forward will make much difference.

Getting case setup and cooling properly is the hardest part of the build... And the most neglected by most builders.

Putting fans in case as intake and/or exhaust is only the first step. These fans only move air in and out of case.

This does not mean heated air is not mixing with cool air.

Nor does it mean cool air is going to where it is needed.

Getting the air to flow inside of case setup is even more important.

How we manage that is what determines where the air flows inside the case. We can do this several ways; deflectors, intake fans, exhaust fans, removing vent grills, using fans with higher pressure/airflow, building ducts to or from CPU/GPU cooler, etc.

Using a remote temperature sensor is the key to finding out where the cool air is flowing and knowing heated air is not mixing into it. By monitoring this we can than make changes to get airflow the way we want it.

I monitor the temps with a cheap indoor/outdoor wired remote or terrarium digital thermometer to monitor air temps. Twist a piece of stiff insulated wire into the last 8" of sensor lead so you can bend it to position sensor where you want it... like 40mm in front of your GPU cooler/radiator intake.. to see what the air temp going into CPU / GPU cooler is compared to room temp. The closer it is to room temp the better.. Shouldn't be more 5c maximum, 2-3c is what I usually end up with after 30 minutes full load on both CPU and GPU. Warning: Spoiler! (Click to show)
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