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| SKU | ceh3588 |
| Brand | Noctua |
| Model | NF-A4x20 PWM |
| Color | Brown |
| Dimensions | 40x20mm |
| Fan Size | 40mm |
| Fan Thickness | 20mm |
| Power Connector Type | 4-Pin PWM |
| Cooling Method | Forced Air |
| Compatible Devices | Desktop |
| Item Package Quantity | 1 |
| Wattage | 0.6 watts |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers |
This item:
Noctua NF-A4x20 PWM Fan (40x20mm, Brown) | Premium Quiet Cooling for PCs
4,303
This item
Noctua NF-A4x20 PWM Fan (40x20mm, Brown) | Premium Quiet Cooling for PCs
4,303
Total price:
9,895
You save 2,552 (21%) Extra3 items selected
3 items
9,895You save 2,552 (21%) Extra
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Upgrade to Premium Quiet PC Cooling
The Noctua NF-A4x20 PWM fan is engineered for superior quiet cooling performance in PC builds. Measuring 40x20mm, this premium fan features a 4-pin PWM connector, allowing for precise speed control based on system temperature. Its advanced design ensures efficient forced air cooling while maintaining exceptionally low noise levels, making it perfect for users who value a silent computing environment. This fan is sourced from authorized US retailers, ensuring authenticity and quality for your PC components.
Designed for compatibility with desktop computers, the NF-A4x20 PWM fan integrates seamlessly into various system configurations. Its robust construction and Noctua's renowned engineering contribute to reliable, long-lasting operation. The fan's brown color offers a distinct aesthetic that complements many PC builds. With a low power consumption of just 0.6 watts, it provides effective cooling without adding significant load to your system's power supply.
For Indian customers, this fan represents a high-quality cooling solution that surpasses many local alternatives in terms of quiet operation and build quality. All customs duties and GST are included in the price, with delivery facilitated by ExpressBox for a transparent and hassle-free import experience. Expect your order to arrive within 13-15 days.
Engineered for Silence and Performance
Noctua's NF-A4x20 PWM fan is built with advanced acoustic optimization and premium materials, setting it apart from generic cooling solutions. Its sophisticated blade design and smooth commutation motor ensure near-silent operation, even under load. This fan is ideal for users who demand top-tier cooling performance without compromising on a quiet environment. Sourced directly from authorized US retailers, it guarantees authenticity and adherence to high manufacturing standards, offering a superior alternative to mass-produced local fans.
Who It's For vs. Who Should Skip It
This fan is perfect for PC enthusiasts building compact systems, home theater PCs, or servers where noise reduction is paramount. It's also excellent for upgrading existing components that require a quiet, reliable 40mm fan. Skip this fan if you require a standard 120mm or 140mm case fan for a large ATX build, or if your primary concern is the absolute lowest cost rather than premium quiet performance and build quality.
Typical situations where Noctua NF-A4x20 PWM Fan (40x20mm helps — illustrative scenarios, not customer reviews.
Building a compact home theater PC or a small form factor gaming rig.
This 40x20mm Noctua fan is perfect for tight spaces, ensuring essential components stay cool without adding significant noise. Its PWM control optimizes airflow for quiet operation during movie playback or light gaming sessions.
Upgrading a noisy stock fan on a specific component or server.
Replace a loud, inefficient fan with this premium Noctua unit for a dramatically quieter computing experience. Its reliable performance and low noise profile are ideal for environments where silence is a priority, like a home office or media room.
| Recommended Use | PC component cooling, case fan replacement |
| Speed Control | 4-pin PWM (automatic speed adjustment) |
| Noise Level | Extremely low (specific dBA not provided in source) |
| Airflow | Optimized for quiet operation (specific CFM not provided in source) |
| Cost per unit | 1 fan at ₹4,303 — ₹4,303 per fan |
| Feature | Noctua NF-A4x20 PWM | Others |
|---|---|---|
| Noise Level | Premium quiet operation, renowned for low dBA | Varies widely; many local fans are significantly louder or have inconsistent noise profiles. |
| Build Quality & Durability | High-quality materials, smooth commutation motor, long lifespan | Often uses standard components, potentially shorter lifespan and less robust construction. |
| PWM Speed Control | Precise 4-pin PWM for automatic speed adjustment | Many local fans use 3-pin DC connectors, offering less granular speed control. |
| Size & Form Factor | Compact 40x20mm size, ideal for small builds | Larger standard sizes (80mm, 120mm) are common; 40mm options may be less specialized or quiet. |
| Cost per unit | 1 fan at ₹4,303 — ₹4,303 per fan | Local 40mm fans may range from ₹300-₹800, depending on brand and features. |
About Noctua
Noctua is globally recognized for its premium quality, exceptionally quiet cooling components, and meticulous engineering, focusing on high-performance fans and heatsinks for PC enthusiasts.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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| Attributes |  |  |  |  |  | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price |
2,946 3,937 |
2,646 2,744 |
3,769 3,947 |
1,631 2,300 |
4,616 9,421 |
2,917 4,623 |
| Rating | 4.80(2,067) | 4.88(8) | 4.80(2,067) | 4.70(75) | 4.88(8) | 4.80(6,191) | 4.20(3,181) |
| Brand Name | Noctua | AC Infinity | Noctua | Yoqanr | Sharpie | Post-it | CMTECK |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
