Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Noctua
| Merchant | Base | Promo | Shipping | Availability | Total | |
|---|---|---|---|---|---|---|
Newegg Sellers | $15.95 | – | FREE | In Stock | $15.95 | Buy |
MemoryC | $32.97 | – | FREE | In StockVerifying | $32.97 |
About This Product
The Noctua A4x10 PWM is a 40mm case fan designed for compact applications requiring precise speed control. It offers a moderate airflow range of 3.88 - 5.24 CFM and a static pressure of 1.95 mmH2O, suitable for small heatsinks or chassis ventilation. Its PWM capability allows for dynamic speed adjustment between 1000 and 5000 RPM, balancing noise and performance. This fan is a premium option for its size, offering better acoustic performance than many generic alternatives.
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Verdict
“Ideal for users needing a quiet, high-quality 40mm fan with PWM control for small form factor builds.”