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Noctua 120mm NF-A12x25 PWM Chromax Black .Swap 2000RPM Case Fan

 

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Noctua
Part no NF-A12x25-PWM-CH-BK-S
Ascent part no 685341
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The Noctua NF-A12x25 PWM chromax.black.swap is a premium 120mm PWM-controlled PC cooling fan designed to deliver high airflow and high static pressure with exceptionally low noise. It uses Noctua’s advanced A-series aerodynamic design, including Flow Acceleration Channels and an AAO (Advanced Acoustic Optimisation) frame, combined with a Sterrox liquid-crystal polymer impeller and an extremely tight 0.5 mm tip clearance for excellent efficiency on both heatsinks/radiators and in case airflow roles. The chromax.black.swap variant features an all-black frame and impeller and includes multiple coloured anti-vibration pads, allowing customisation to match themed builds while maintaining Noctua’s renowned SSO2 bearing reliability, >150,000 h MTTF and a long 6‑year manufacturer’s warranty.

Technical Specifications

Product NameNoctua NF-A12x25 PWM chromax.black.swap 120mm Fan
ManufacturerNoctua
Model NumberNF-A12x25-PWM-CH-BK-S
Product LineNF-A12x25 chromax.black.swap
Product CategoryCooling – 120mm PWM Case Fan
GENERAL
Product Type120mm PWM case / radiator fan
SeriesNF-A12x25 chromax.black.swap
Model NumberNF-A12x25-PWM-CH-BK-S
Fan Size120 x 120 x 25 mm
Form Factor120 mm square
ColourBlack frame and impeller, interchangeable coloured anti-vibration pads
Bearing TypeSSO2 (self-stabilising oil-pressure bearing)
PWM ControlYes
MTTF> 150,000 hours
PERFORMANCE
Speed Range0 – 2000 rpm (PWM)
Typical Min Speed (PWM)≈ 450–460 rpm
Speed with Low‑Noise AdapterUp to 1700 rpm (approx., manufacturer spec for NF-A12x25 PWM)
Airflow (Max)102.1 m³/h (≈ 60.09 CFM)
Static Pressure (Max)2.34 mm H₂O
Acoustical Noise (Max)22.6 dB(A)
Application SuitabilityOptimised P/Q curve for both high airflow and high static pressure applications (case intake/exhaust, heatsinks, and radiators)
ELECTRICAL
Rated Voltage12 V
Operating Voltage12 V DC
Input Power (Typical/Max)Approx. 1.2–1.68 W
Max Input Current≈ 0.14 A
Connector4‑pin PWM fan connector
LEDNone
PHYSICAL
Dimensions120 x 120 x 25 mm (fan body)
Frame ShapeSquare AAO frame
Mounting Hole Spacing105 x 105 mm
MaterialsPBT/ABS GF30 frame, Sterrox LCP GF30 impeller, silicone rubber anti‑vibration pads
Frame ColourBlack
Impeller ColourBlack
Anti‑Vibration Pad ColoursBlack, blue, green, red, white, yellow, grey (swappable)
Cable Length (Native)Approx. 100 mm
Cable Length with ExtensionApprox. 300–310 mm
SleevingNone (black cabling)
COOLING & COMPATIBILITY
Use CasePC case fan, CPU cooler fan, water‑cooling radiator fan
Radiator GasketIncludes anti‑vibration gasket for water cooling radiators
Compatible Processor SocketsIndirect compatibility – standard 120 mm mounting allows use on any heatsink/radiator that accepts 120 mm fans, including coolers for Intel LGA1700/1200/115x and AMD AM4/AM5 when used on appropriate heatsinks
Warranty Information6‑year manufacturer’s warranty from Noctua.

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Noctua
Part no NF-A12x25-PWM-CH-BK-S
Ascent part no 685341
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  • 100% Kiwi owned34 years in business
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