Noctua NF-S12A ULN vs NF-A14x25 G2 PWM chromax.Black Case Fan Comparison

Noctua NF-S12A ULN and Noctua NF-A14x25 G2 PWM chromax.Black are both case fans with the same Airflow Direction (Regular), Fans Quantity (1) and LED Color (None). The main differences are in Fan Size and PWM Connector.

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Noctua NF-S12A ULN	Noctua NF-A14x25 G2 PWM chromax.Black
Prices (Change region) In Stock $21.95 Last updated 0 minutes ago. In Stock Free shipping $27.50	Prices (Change region) In Stock $44.95 Last updated 3 minutes ago. Out of Stock + $17.02 Shipping $44.95
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Brand Noctua	Brand Noctua
Model NF-S12A ULN	Model NF-A14x25 G2 PWM chromax.black
Release Date -	Release Date 📅 November 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Fan Size 120 mm	Fan Size 140 mm
Color Brown	Color Black
Airflow -	Airflow 0 - 91.58 CFM
Airflow Direction Regular	Airflow Direction Regular
Fan RPM 600 - 800 RPM	Fan RPM -
Bearing Type SSO2	Bearing Type -
Fans Quantity 1	Fans Quantity 1
LED Color None	LED Color None
PWM Connector No	PWM Connector Yes
Fan controller included No	Fan controller included No