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Good 120MM case fan - Page 2

post #11 of 13
Best fans i have found out there for price /performance/noise are the scythe fans, check out newegg on them they have a great amount of different cfm fans made by scythe, i use to like the cm r4,s but just got tiered of %50 of them makeing a humming noise, i have like 10 i will never use again, also silnx maxes a good case fan but can get costly.

just fyi-i use 110cfm scythe fans on my coolers and love them, also 88cfm ones for case fans-all i hear on everyone is wind noise. but they make quieter ones also with good but less cfm,s.

Also carefull about thoses cm r4,s, manny plaes advertise 90cfm, they are not they are only 69cfm.
Newegg corrected them selfs about 3 months ago because of the mistake.
Edited by fishhawk - 7/21/11 at 11:41pm
    
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post #12 of 13
I respectfully disagree. A sleeve bearing Coolermaster R4 running around 2000 rotations a minute is significantly noisier than the Thermalright X-Silent 120 which is a Fluid Dynamic Bearing running at 1000 rotations a minute.

In my experience I could hear the R4 running at normal speed (12 volts) from across the room as opposed to the X-Silent 120 which I could only hear with my ear up to the fan grill. Same levels of ambient noise in both cases.

If you're looking for a quiet fan you don't generally want to get a fan that runs higher than 1250-1300 (AP-14 being the exception).

If you want the best compromise between noise/performance you go the Gentle Typhoon route. (Specifically the AP-14 model).

Keep in mind though silence/quiet is very subjective.
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post #13 of 13
Quote:
Originally Posted by Siegfried262;14303562 
In my experience I could hear the R4 running at normal speed (12 volts) from across the room as opposed to the X-Silent 120 which I could only hear with my ear up to the fan grill. Same levels of ambient noise in both cases.

Full Details
http://www.overclock.net/air-cooling/1066046-ball-vs-fluid-bearings.html#post14232823

All were tested at 20DB, no guess work used, its why the Anemometer was used

CoolerMaster Silent Blue LED Fan - 56.8 @ 2000 - R4-L2R-20CK-GP
Scythe Gentle Typhoon AP-30 - 57 @ 2160

Silverstone FM121 <-- awfull fan, its white, also need to replace the power plug for a Molex kk fan adapter - 51 @ 1530 or less
Noiseblocker MultiFrame Ultra Quiet - 46.1 @ 1560 or less || model M12-P
Thermaltake TT-1225 TurboFan - 44.4 @ Max || A2492
CoolerMaster XtraFlo PWM Fan - 43.5 @ 1470 || R4-XFBL-22PR-R1
Scythe Kama Flow 2 EX-FDB - 41.7 @ 1620 or less || SP1225FDB12H

I could not recommened this at all.
Thermalright X-Silent = 21.3 @ 870rpm

With all the other fans i was lenient on there noise level as they are not matches and as why i listed as less above. None can really touch those 2 by how i tested them info here

All tests wher pushing are thought a Cogage cooler with very minor restriction on the airflow

Your model you tested is NOT R4-L2R-20CK-GP(or you got a bad fan), standing 8 foot away with 15foot lead to the fan(psu only no case no motherboard), its inaudible
Edited by Tigerpaws - 7/22/11 at 12:41am
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