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Compare Noctua NF-A4x20 vs NF-A12x15 FLX

Noctua NF-A4x20 and Noctua NF-A12x15 FLX are both case fans with the same Airflow Direction (Regular), Fans Quantity (1) and LED Color (None). The main differences are in Fan Size, Airflow, Fan RPM and PWM Connector.
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Prices
(Change region)
In Stock
$15.95
Last updated 54 minutes ago.
In Stock
+ $7.10 Shipping
Prices
(Change region)
In Stock
$23.95
Last updated 54 minutes ago.
In Stock
Free shipping
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Brand
noctua
Brand
noctua
Model
NF-A4X20 PWM
Model
NF-A12x15 FLX
Release Date
-
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
View Details ►
Fan Size
40 mm
Fan Size
120 mm
Color
Brown
Color
Brown
Airflow
4.9 - 5.5 CFM
Airflow
27.4 - 55.4 CFM
Airflow Direction
Regular
Airflow Direction
Regular
Fan RPM
1200 - 5000 RPM
Fan RPM
950 - 1850 RPM
Fans Quantity
1
Fans Quantity
1
LED Color
None
LED Color
None
PWM Connector
Yes
PWM Connector
No
Fan controller included
No
Fan controller included
No

Comparison and key differences summary

Reasons to buy the Noctua NF-A4x20:

  • 33% cheaper, you can save $8.00
  • PWM

Buy now

Reasons to buy the Noctua NF-A12x15 FLX:

  • Lower average fan RPM
  • Higher airflow

Buy now

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