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post #1971 of 2323
i need help for optimizing cooling. should i remove rear fan and but it to front. right now i have 2x120mm on fron 2x120mm on top both are blowing air in, i use filter so i wondered do i benifit from 1 more intake fan. i could but it in 3x 5.2" slots
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post #1972 of 2323

Can someone please recommend me 3 120x120x25 fans to put in my HTPC. They will be run off the integrated fan controller in my case which outputs 5v, 7v and 12v so PWM isn't necessary. I'd like them to be as quiet as possible.

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post #1973 of 2323
case fan? i'm having a really good experience with xigmatek XOF series, they're only good for push due to how its made.
airflow/noise ratio is great but lacks pressure, works best as back exhaust or HDD cooling.

general purpose fan would be scythe's gentle typhoon 1850rpm or 2150rpm the latter being best ran at 7v.

silverstone's air penetrators are good for motherboard cooling when mounted as side-panel intake directly facing places needed to be cooled, i.e. chipset, mosfets or ram.


what case are you using by the way?
post #1974 of 2323
Quote:
Originally Posted by epic1337 View Post

case fan? i'm having a really good experience with xigmatek XOF series, they're only good for push due to how its made.
airflow/noise ratio is great but lacks pressure, works best as back exhaust or HDD cooling.

general purpose fan would be scythe's gentle typhoon 1850rpm or 2150rpm the latter being best ran at 7v.

silverstone's air penetrators are good for motherboard cooling when mounted as side-panel intake directly facing places needed to be cooled, i.e. chipset, mosfets or ram.


what case are you using by the way?

It'll be a Fractal Design Node 605.

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post #1975 of 2323
oh i see!
then the most practical combination is only 2 intake fans, i'd expect you to have the two 80mm fans on the back.
the 3rd intake fan closest to the back would only cause a loop sucking the back's exhaust, and i advice you to cover the 3rd fan slot, ducktape?

as for the fans, GT2150 at 7v would be ideal for the most quiet, or 1450rpm at 12v would perform the same but you'd lack the assurance of a stronger airflow when needed.
if you're on a budget though theres another cheaper fan, cougar's CF-V12HP 120mm fans are quite a reasonable option, they're quiet and has good airflow.
Edited by epic1337 - 2/25/15 at 7:46am
post #1976 of 2323
Tt had a fan that blade & hub design looks identical to the xigmatek xof fan except the frame design was standard..
Take that xof..up the rpm to 2200rpm
make the blades just 5mm wider and that baby will push darn good airflo/pressure
post #1977 of 2323
well yes, but it's thinness and low RPM makes it really quiet for it's looks.

and the thermaltake Pure S 12 might be using the same blade with a different chassis
http://www.thermaltakeusa.com/products-model.aspx?id=C_00002292
the only difference between XOF and Pure S 12 is XOF is running at 1450rpm instead of 1000rpm.
post #1978 of 2323
Cool beans..ive got
one of these

http://www.thermaltakeusa.com/ttwww/Retailers.aspx?ID=1791&C=1383

pretty quiet even full tilt..moves pretty decent air..i.suspended it in my 5" bays as intake with zipties..i cut off the molex and put a 3pin on..the wire is crazy stupid long..like nearly 60cm long..
post #1979 of 2323
yeah, i'm pretty much a "fan" of their blade design, the smaller hub means less obstruction, and the curved blades pushes more air at very little noise.
its the few fans which TT made really well, cheap, quiet, decent airflow albeit low pressure, its a good general purpose fan, and works best in free flow.
post #1980 of 2323
Thats why i put that 140 in my 5" bays..unobstructed intake (minus the mesh cover+filter)

if i put my hand infront of tge cpu cooler i can still feel the airflo even on lowest rpm..which is exactly what i want..durect feed to the cooler..
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