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new rig want to replace fans properly in HAF 932 case plz help

post #1 of 11
Thread Starter 
whats up guys,

well i recently upgraded to a whole new pc my specs are as follows.

haf 932 case
intel i7 970 OC to stock i7 980x speed
asus rampage formula
6 gb crosair dominator
2 x evga gtx 570's SC's i upped them a bit more not much
corsair hx850 pw supply
crucial ssd drive

before i tried doing any fan research i replaced the side panel fan with 4 x 120mm coolmaster scythes with red led form newegg. and also added one to the bottom of the case behind the psu.

now i wanted to add another fan to the front of the case below my dvd drives. i can fit 1 120mm fan and i was also thinking of replacing the top 230mm fan with 3 120mm fans. And lastly in the top empty psu slot i was thinking of maybe putting in 2 60 or 80mm fans.

I did some searching and it still seems that the scythe GT is still everyones favorite. i was thinking of getting 5 of those. 1 for front, 3 for top, and 1 to replace the stock fan on the back. and not sure what brand for the 2 little ones. also what model scythe Gt is the best now? all the threads i read seemed dated. i dont mind some noise but nothing that will vibrate the house

so is this a good idea or is too many fans overkill? any opinions or tips are appreciated. im not having any heat problems as it is, id just like to keep things as cool as possible. and i didnt want to have to switch to water cooling which i really know nothing about.

TIA and sorry for the long post
Edited by sid4975 - 1/23/11 at 2:24pm
post #2 of 11
While having many fans in a case is generally a good idea, there can be some severe effect due to the air flow (direction, too much vs too little air flow and so on).

I'd recommend you read up on negative vs. positive air flow first. Here's one with illustration to make it easier.

Oh and since this is your first post, welcome to OCN.
Edited by reaper~ - 1/23/11 at 2:30pm
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post #3 of 11
Thread Starter 
yes i read the post and i have it setup so the bottom fan, front fan, and side fans are intakes, and the the back fan, and top fan are exhausts.

thats why i was thinking of replacing the 1 230mm and stock back fan with 4 strong 120mm to take more air out.

and still cant make up my mind about the 2 little fans for the psu spot. mabye get a high powered fan for the 1 back fan?
post #4 of 11
first off you don't NEED all those fans. Second If your gonna replace fans might I suggest some Noctua 120mm fans or Scythe Gentle Typhoons. You will need less of them and they are really high quality low noise fans.
post #5 of 11
welcome friend!


now, if you are subscribed to CPU, or you can just go to the website

http://www.computerpoweruser.com/Dig...s/Default.aspx

they have an AWESOME article about what you are doing.


scythe GTs, and the Shark fans, are nice. i'm thinking about adding some new fans once i get a new case, but that wont be until summer.

as reaper mentioned, you want to have a nice steady airflow

remember, warm air rises, so you want to have your exhaust fans uptop.

theres no such thing as a too long of post lol! =) the more information you give us the better we can help you

and for your question, you dont really need to have that extra fan, but if you really need it/want it, one small in front of the psu will work just fine. im sure you can find a 80mm little coolermaster or maybe even a scythe GT that will fit the spot. try amazon if you are having trouble. i believe you are looking for the 13 series if memory serves correct.
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post #6 of 11
Thread Starter 
thanx for all the info guys that was really fast lol!

im wondering why are the scythe gts and noctua so much better? before i did any fan research i bought these for my side fans and bottom fan.

COOLER MASTER SickleFlow 120 R4-L2R-20AR-R1

the specs say they have 69 cfm and 19db

doesnt that make them better and more powerful then the scythe gts at 58 cfm 28db

with 5 of them in my case so far they are very silent the loudest thing in my case by far is the evga 570's when i crank the fans up too max
post #7 of 11
First of all, specs aimed at consumers may reflect - cfm at highest fan speed, dBA at lowest fan speed; or just lies. Manufacturers like Nidec (they make Gentle Typhoons) tend to publish accurate specs, since their industrial customers can and do check the performance of the fans they receive.

Next: hot air does rise; after all, hot air balloons rise. But when the stuff in your case warms the air in it, do you want that air to rise to your cpu? Do you want to encourage the warm air to compromise the air cooler for your cpu?

Air also goes where you send it. That's what fans are all about. That's why I recommend top intake, not exhaust. I got the idea from Silverstone, in fact. If you push cooler air in from the top of the case IN FRONT OF YOUR HEATSINK, your heatsink will get cooler air to work with - and cooler incoming air means cooler temps, so your heatsink fans need no work so hard or so loud.

I believe in cooling this way. Here's a schematic of my own airflow:



Here's a pic:



Now, with four 5.25 bays open, you can put a 140mm fan there. Mount it with window trim foam from your local hardware store.

Up top: Go to a hobby store and buy some stiff plastic sheets - hobbyists use it to make buildings for their model train sets. Cut your sheet so that it blocks off the entire top mesh of your case. Then cut a hole for a fan to go at the forward position in the top. That fan will be your top intake. I have a 140mm fan but you might have to use a 120mm fan. Gentle Typhoons work best this way, but you can try it out with one of your sickle flow Cooler Masters.

Remember to cut out your rear grill. That will improve airflow and make less noise. For even better airflow and less noise, have no exhaust fan at all.

To improve airflow past your gpu's, remove the slot covers in the two or three slots below each vidcard.

Air goes where you send it. Don't let hot air rise to ruin your temps.
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post #8 of 11
In short, that could quite possibly be the biggest fan overkill I've seen short of that one PC that was basically in a case MADE of fans.

I run a 932 case and couldn't be happier with the airflow. The fans are large, slow and quiet and move an incredible amount of air.

On top of it, you're talking about boosting a 970 to 3.33ghz, which is essentially the 980X stock speed... that's boosting it like 120mhz... I assume that's just an initial goal- but even taking it to 4.3+ will not require you to stuff every fan you can find at "Fan Warehouse" into the poor HAF. It is, in fact, called HAF for a reason, you know. Or perhaps you don't? Anyway, HAF stands for "High Air Flow." And it performs exactly as advertised so if I can say anything about this and help you out- spend the money elsewhere.
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post #9 of 11
Quote:
Originally Posted by ehume View Post
First of all, specs aimed at consumers may reflect - cfm at highest fan speed, dBA at lowest fan speed; or just lies. Manufacturers like Nidec (they make Gentle Typhoons) tend to publish accurate specs, since their industrial customers can and do check the performance of the fans they receive.

Next: hot air does rise; after all, hot air balloons rise. But when the stuff in your case warms the air in it, do you want that air to rise to your cpu? Do you want to encourage the warm air to compromise the air cooler for your cpu?

Air also goes where you send it. That's what fans are all about. That's why I recommend top intake, not exhaust. I got the idea from Silverstone, in fact. If you push cooler air in from the top of the case IN FRONT OF YOUR HEATSINK, your heatsink will get cooler air to work with - and cooler incoming air means cooler temps, so your heatsink fans need no work so hard or so loud.

I believe in cooling this way. Here's a schematic of my own airflow:



Here's a pic:



Now, with four 5.25 bays open, you can put a 140mm fan there. Mount it with window trim foam from your local hardware store.

Up top: Go to a hobby store and buy some stiff plastic sheets - hobbyists use it to make buildings for their model train sets. Cut your sheet so that it blocks off the entire top mesh of your case. Then cut a hole for a fan to go at the forward position in the top. That fan will be your top intake. I have a 140mm fan but you might have to use a 120mm fan. Gentle Typhoons work best this way, but you can try it out with one of your sickle flow Cooler Masters.

Remember to cut out your rear grill. That will improve airflow and make less noise. For even better airflow and less noise, have no exhaust fan at all.

To improve airflow past your gpu's, remove the slot covers in the two or three slots below each vidcard.

Air goes where you send it. Don't let hot air rise to ruin your temps.
I was considering turning my top 230mm fan into an intake. I'm thinking it could lower my cpu temp a couple of degrees. Think it's worth a try? Would have to find a way to filter it as well though.
 
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post #10 of 11
Quote:
Originally Posted by Tom Thumb View Post
I was considering turning my top 230mm fan into an intake. I'm thinking it could lower my cpu temp a couple of degrees. Think it's worth a try? Would have to find a way to filter it as well though.
Definitely worth a try IMO.
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