Rajesh, 35, Mumbai, needs quiet cooling for his NAS server to avoid noise disturbance.
Installed Noctua NF-A4x20, which operates silently at 14.9 dB(A), lasting over 150,000 hours, arriving in 11-13 days with duties paid.
You save 3,610 (37%)
Estimated doorstep delivery by 23 Nov - 25 Nov from USA






Premium Quiet Cooling at Competitive Price
Noctua NF-A4x20 5V PWM is a 40x20mm fan designed for quiet, efficient cooling of electronics. Its award-winning A-series design features Flow Acceleration Channels and Acoustic Optimisation for superior noise reduction. Ideal for NVIDIA Jetson Nano, 1U servers, routers, switches, NAS, and DVRs, this fan operates at a maximum 5000 RPM with a noise level of just 14.9 dB(A). Crafted from fibre-glass reinforced PBT, it ensures durability and long life (>150,000 hours MTTF). Includes anti-vibration mounts, screws, extension cable, and OmniJoin adaptor for easy installation. Factory-sealed, imported from USA, with all duties paid, arriving in 11-13 days.
Reviewers highlight its near-silent operation even at high RPM, making it suitable for noise-sensitive environments. Its compact size fits in tight spaces like NVIDIA Jetson Nano and 1U chassis, providing reliable cooling without noise pollution. Perfect for Indian electronics enthusiasts seeking premium quality fans with minimal noise and maximum durability.
In India, this fan offers a high-quality alternative to local noisy or less durable options. Delivered via ExpressBox, it arrives quickly, with all duties included, ensuring hassle-free import. Ideal for tech setups requiring silent operation and long-term reliability.
Advanced Acoustic Design
Noctua's award-winning A-series fans feature Flow Acceleration Channels and Acoustic Optimisation for superior quiet cooling, reducing noise by over 50% compared to standard fans. Made from fibre-glass reinforced PBT, it withstands harsh conditions and ensures long-term performance.
Ideal for Sensitive Electronics
Designed for 5V applications, this fan supports PWM control for precise speed adjustment. Perfect for NVIDIA Jetson Nano, network equipment, DVRs, and other devices in India, where quiet, reliable cooling is essential. Skip if you need high airflow at higher noise levels.
Typical situations where Noctua NF-A4x20 5V PWM Fan (40x20mm helps — illustrative scenarios, not customer reviews.
Rajesh, 35, Mumbai, needs quiet cooling for his NAS server to avoid noise disturbance.
Installed Noctua NF-A4x20, which operates silently at 14.9 dB(A), lasting over 150,000 hours, arriving in 11-13 days with duties paid.
| Recommended Use | Electronics cooling, network equipment, DVRs |
| Maximum RPM | 5000 rpm |
| Noise Level | 14.9 dB(A) |
| Reapplication Time | Over 150,000 hours MTBF |
| Shelf Life | Factory-sealed, check manufacturer's date |
| Cost per use | ₹3,085 per fan |
| Compatibility | 5V PWM headers |
CrowCrowCrow helps you bring this product to India. Any warranty is offered by Noctuaunder its own policy.
| Feature | Noctua NF-A4x20 5V | Others |
|---|---|---|
| Noise Level | 14.9 dB(A), ultra-quiet operation | Typically 20-30 dB(A), noisier in quiet environments |
| MTTF (Hours) | Over 150,000 hours | Usually 20,000-50,000 hours, less durable |
| Size & Compatibility | 40x20mm, supports 5V PWM headers | Varies, often non-PWM, larger sizes |
| Price per Unit | ₹3,085 per fan | ₹300-₹500 for local fans, lower quality |
| SKU | fwc1172 |
| Brand | Noctua |
| Size | 40x20mm |
| Color | Brown |
| Material | Fibre-glass reinforced PBT |
| Voltage | 5V |
About Noctua
Noctua is a renowned Austrian brand known for premium, quiet cooling solutions with over a decade of innovation in electronics cooling.
Compliance & Legal
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This item:
Noctua NF-A4x20 5V PWM Fan (40x20mm, Brown) | Premium Quiet 4-Pin, 5V Version, Pack of 2
6,170

This item
Noctua NF-A4x20 5V PWM Fan (40x20mm, Brown) | Premium Quiet 4-Pin, 5V Version, Pack of 2
6,170
Total price:
12,710
You save 5,420 (30%) Extra3 items selected
3 items
12,710You save 5,420 (30%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 6,170 9,780 | 3,830 5,430 | 2,710 2,920 | 6,580 6,800 | 4,840 7,300 | 6,190 8,210 | 1,060 1,450 |
| Brand Name | Noctua | Corsair | Corsair | Corsair | Corsair | Sharpie | ASCENY |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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