[time-nuts] 53132 replacement fan

[Adrian Godwin]

This one's pretty quiet. But the airflow is a bit lower.

http://www.frozencpu.com/products/9367/fan-587/Sunon_MagLev-Vapo_40mm_x_20mm_Fan_w_TAC_Sensor_Wire_-_Bare_Wire_HA40201V4-0000-C99.html?tl=c15s560b53&id=mrFX8Rvo

On Mon, Nov 21, 2016 at 5:57 PM, jimlux <jimlux at earthlink.net> wrote:

> On 11/21/16 6:39 AM, Charles Steinmetz wrote:
>
>> Tom wrote:
>>
>> EFB0412MD
>>> Airflow 7.17 CFM
>>> 6300 RPM
>>> Noise 24 dBA
>>>
>>> FBK04F12U
>>> Same exact form factor.
>>> Air Flow 9.2 CFM
>>> 9500 RPM
>>> Noise 42 dB(A)
>>>
>>
>> Note the 18dB greater noise (that's a HUGE difference).  Even with bad
>> bearings in the original fan, it is probably considerably quieter (by
>> 10dB or more) than the proposed replacement.  On the other hand, the
>> replacement moves 28% more air, which may be a good thing.
>>
>>
> That's a 40mm fan, which is a standard size, I'll bet you can find a
> slower turning/quieter fan.
>
>
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