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Noctua NF-A14x25r G2 PWM chromax.black, Premium-Quality Quiet Round-Frame 140mm PC Fan (Black)
- Next-generation round-frame 140x25mm design for unprecedented quiet cooling performance on 14cm CPU coolers such as the NH-D15, NH-D15S or NH-U14S series
- All-black chromax version with black anti-vibration mounts. 14cm anti-vibration gasket for tighter seal on radiators, fan screws, Low-Noise Adaptor (LNA), extension cable and splitter cable included
- State-of-the-art engineering (Progressive-Bend impeller with winglets and Centrifugal Turbulator, Flow Acceleration Channels, AAO frame) and construction (Sterrox LCP, ultra-tight tip clearance)
- 4-pin PWM version for automatic speed control via 4-pin PWM motherboard fan headers, 300-1500rpm speed range (near-silent at idle, powerful under load), fan stops at 0% PWM (semi-passive option)
- Trusted Noctua quality with premium-grade SSO2 bearing (MTTF > 150,000 h), safety certifications from UL and TÜV, protected against reverse polarity, over voltage and over current (short-circuits)
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Overview
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State-of-the-art quiet cooling performance for CPU coolers in a sleek all-black design: The chromax.black version of the award-winning NF-A14x25r G2 round-frame 140mm fan. Succeeding the iconic NF-A15, the NF-A14x25r G2 has quickly established itself as a new benchmark for premium quality quiet round-frame 140x25mm fans. Its advanced aerodynamic engineering featuring a novel Progressive Bend impeller design with Centrifugal Turbulator hub, winglets and a record tight tip clearance of only 0.7mm enables the G2 model to provide a significant boost in performance-to-noise efficiency over its renowned predecessor. At the same time, its etaPERF motor with SupraTorque can leverage extra torque headroom when required, which makes the NF-A14x25r G2 an ideal upgrade for NH-D15, NH-D15S and NH-U14S heatsinks. The chromax.black edition combines the NF-A14x25r G2s Sterrox liquid-crystal polymer impeller, comprehensive feature set and breakthrough quiet cooling proficiency with an attractive black design. Topped off with Noctuas trusted premium-grade SSO2 bearing, more than 150,000 hours MTTF and a 6-year manufacturers warranty, the NF-A14x25r G2 PWM chromax.black is the perfect choice for users who are looking for cutting-edge quality, quietness and performance in an all-black style.
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by Noctua Cooling Solutions Return Policy
- *Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
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The Noctua NF-A14x25r G2 PWM chromax.black is a quiet, round-frame 140mm PC fan with PWM speed control, suited to builders upgrading compatible 14cm CPU coolers such as the NH-D15, NH-D15S, or NH-U14S.
Recommended For
- Owners of compatible round-frame CPU coolers such as the NH-D15, NH-D15S, or NH-U14S who want a quieter replacement fan while maintaining strong cooling under CPU load.
- Quiet-build owners who want one fan to handle demanding cooling and then slow down for less audible operation; independent testing found strong cooling efficiency relative to noise and a broad speed range.
- Builders replacing fans on a radiator or other mount with 105 × 105 mm hole spacing who have room for a 140 mm fan frame and want to use a 140 mm fan in that mounting pattern.
- PC builders who prefer an all-black fan and need PWM speed control for a CPU cooler, radiator, or case airflow setup; the chromax.black version keeps the G2 cooling design without Noctua’s usual brown-and-beige appearance.
Real-World Use Scenarios
- Replacing a worn or noisy fan on a compatible tower CPU cooler, such as a supported NH-D15, NH-D15S, or NH-U14S, can restore airflow while keeping fan noise more subdued at lower speeds.
- Upgrading the fan on an older NH-D15 or NH-D15S can help users maintain CPU cooling with a quieter fan curve; check the cooler’s clip and fan compatibility before buying.
- Adding a second fan to a compatible dual-tower air cooler can support push-pull airflow through the heatsink, which is useful when tuning cooling for sustained CPU-heavy workloads.
- Building a low-noise PC for everyday work or gaming, users can set a motherboard PWM curve to keep the fan slower during light use and increase cooling as CPU temperatures rise.
- Matching a black-themed PC build while replacing a compatible cooler fan gives the system a more uniform appearance without changing the cooler’s basic setup.