Solve : New Comp. 250 MM fan?

1.	Solve : New Comp. 250 MM fan?
Answer» I am buying a new case and it has a 250 MM Fan on the side and i was wondering how the RPM's and air flow work. The 120 MM fan i currently have is a 2000 RPM fan and moves air rapidly, Where the 250 MM is a 820 RPM and will not move as air as rapid? So does the size make up for the loss of RPM or how does that work? any help on this matter would be greatly appreciated.HERE give special attention to "CFM" edit: if you're still confused, google something like "computer fan cfm"http://www.xoxide.com/enermax-phoenix-neo-case.html above is a link to my new PC case. i am looking for advice on how to set up the fans. there will be 2 120mm fans and a 250 mm fan. i understand positive and negitive CFM's now but am not sure on how to configure the fan set up. since the 250 mm is larger and moves more air the 250 mm fan moves 109CFM the 2x 120mm fans move 69 CFM eachHow you set up your fans depends on what type of flow system you want to use ie postive or negative If you want a negative flow setup, then the CFM going out of the case has to be greater than the CFM going into the case. If you want a positive flow system, then the intake cfm has to be more and the exhaust fan displaces, which will force any air not displaced by the exhaust fan out of cracks and holes in the case. Quote the 250 mm fan moves 109CFM the 2x 120mm fans move 69 CFM each The configuration you specified here can be positive or negative, except that there is only ONE 120 mm fan. There is a vent for an optional 120 mm fan, but it's not included with this setup. It says "optional". The 250 mm fan can be set for intake or exhaust. So if the 120 mm fan is intake at 69 cfm, seting the 250 mm fan as exhaust at 109 cfm would create a negative flow system. If the 250 fan was blowing inward at 109 cfm, it would create a positive flow system, because the 120 mm fan is not displacing all that 109 cfm.. The psu exhaust fan should be taken into consideration as well.. i was thinking of setting the front 120mm fan and the 250 mm set to intake and i am putting the optional fan (120mm) set for exhaust. so the 2 120mm fans would cancel each other out and i would have 109 CFM intake creating a positing system. would that work ok or would the higher amount of air intake create a problem?If it doesn't work (if you have overheating problems) try some different configuraitons... What works really depends on what hardware you have INSTALLED and it's physical location in your computer.. Downloading and installing SpeedFan will allow manual control over your fans and generally allow more freedom... You would have to disable the automatic fan speed in the bios (then they will spin at full speed until you ADJUSTED them with speed fan) With speed fan, you can control the idle Speed of your fans and the threshold temperature of the cpu, at which the fan/s kick into high gear (a speed set before hand by yourself). Using this program takes some getting use to...I messed with it for hours until I got it figured out..I woudn't use it if your fans work with the default fan settings in the bios...You can also use speed fan to monitor your internal hardware temperatures... Lots of people use speed fan for this reason... Check the documentation of your cpu, for the ideal operating temperature... Monitor your cpu temp and video card temp... If you notice the temps. going to high, then you'll know you've got some adjusting to do... This program will take some time to learn but it is very helpful Thank You very much Looking at the speed fan i noticed that only one thing runs hot and that is the graphic card 9600 GT even idle it runs about 53 Deg C where it should sit at 48. Is there a way to manipulate the graphics fan?According to this, your graphics card's temp. is ok. When idling, a few degree is nothing to worry about if the max temp. is 105 C...If speed fan is showing a FLAME next to your graphics card and the temperature is ok in reality, it means you have not yet CONFIGURED the warning threshold temperature... It can be set to display a flame at whatever temp. you want. The flame is a graphical feature that just makes it a little easier to tell if your temps. are too high.. I'm not sure if you can change the fan speed of the video card itself... And if you can, I'm not sure if the bios fan CONTROLS would have to be disabled or not.. Give this a try.. http://www.nvidia.com/object/ntune_5.05.54.00.html

Answer»

I am buying a new case and it has a 250 MM Fan on the side and i was wondering how the RPM's and air flow work. The 120 MM fan i currently have is a 2000 RPM fan and moves air rapidly, Where the 250 MM is a 820 RPM and will not move as air as rapid? So does the size make up for the loss of RPM or how does that work?

any help on this matter would be greatly appreciated.HERE

give special attention to "CFM"

edit: if you're still confused, google something like "computer fan cfm"http://www.xoxide.com/enermax-phoenix-neo-case.html

above is a link to my new PC case. i am looking for advice on how to set up the fans. there will be 2 120mm fans and a 250 mm fan. i understand positive and negitive CFM's now but am not sure on how to configure the fan set up. since the 250 mm is larger and moves more air

the 250 mm fan moves 109CFM
the 2x 120mm fans move 69 CFM eachHow you set up your fans depends on what type of flow system you want to use ie postive or negative

If you want a negative flow setup, then the CFM going out of the case has to be greater than the CFM going into the case. If you want a positive flow system, then the intake cfm has to be more and the exhaust fan displaces, which will force any air not displaced by the exhaust fan out of cracks and holes in the case.

Quote

the 250 mm fan moves 109CFM
the 2x 120mm fans move 69 CFM each

The configuration you specified here can be positive or negative, except that there is only ONE 120 mm fan. There is a vent for an optional 120 mm fan, but it's not included with this setup. It says "optional".

The 250 mm fan can be set for intake or exhaust. So if the 120 mm fan is intake at 69 cfm, seting the 250 mm fan as exhaust at 109 cfm would create a negative flow system. If the 250 fan was blowing inward at 109 cfm, it would create a positive flow system, because the 120 mm fan is not displacing all that 109 cfm.. The psu exhaust fan should be taken into consideration as well..

i was thinking of setting the front 120mm fan and the 250 mm set to intake and i am putting the optional fan (120mm) set for exhaust. so the 2 120mm fans would cancel each other out and i would have 109 CFM intake creating a positing system. would that work ok or would the higher amount of air intake create a problem?If it doesn't work (if you have overheating problems) try some different configuraitons... What works really depends on what hardware you have INSTALLED and it's physical location in your computer..

Downloading and installing SpeedFan will allow manual control over your fans and generally allow more freedom... You would have to disable the automatic fan speed in the bios (then they will spin at full speed until you ADJUSTED them with speed fan) With speed fan, you can control the idle Speed of your fans and the threshold temperature of the cpu, at which the fan/s kick into high gear (a speed set before hand by yourself). Using this program takes some getting use to...I messed with it for hours until I got it figured out..I woudn't use it if your fans work with the default fan settings in the bios...You can also use speed fan to monitor your internal hardware temperatures... Lots of people use speed fan for this reason...

Check the documentation of your cpu, for the ideal operating temperature... Monitor your cpu temp and video card temp... If you notice the temps. going to high, then you'll know you've got some adjusting to do... This program will take some time to learn but it is very helpful

Thank You very much Looking at the speed fan i noticed that only one thing runs hot and that is the graphic card 9600 GT even idle it runs about 53 Deg C where it should sit at 48.
Is there a way to manipulate the graphics fan?According to this, your graphics card's temp. is ok. When idling, a few degree is nothing to worry about if the max temp. is 105 C...If speed fan is showing a FLAME next to your graphics card and the temperature is ok in reality, it means you have not yet CONFIGURED the warning threshold temperature... It can be set to display a flame at whatever temp. you want. The flame is a graphical feature that just makes it a little easier to tell if your temps. are too high..

I'm not sure if you can change the fan speed of the video card itself... And if you can, I'm not sure if the bios fan CONTROLS would have to be disabled or not..

Give this a try..

http://www.nvidia.com/object/ntune_5.05.54.00.html

Solve : New Comp. 250 MM fan?

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