Your cart is currently empty!.
You may check out all the available products and buy some in the shop.
Continue Shopping
in stock
In stock
NF-A4x20 12V Fan
Highly optimised, quiet 40 x 20 mm premium fan
$16.44
⚡Free shipping on orders over $70.⚡
Related:
Features & Advantages
- Ultra-quiet!
- Premium quality
- Excellent long-term stability
Description
Noctua NF-A4x20
The NF-A4x20 is a highly optimised, quiet fan in premium quality with a size of 40 x 20 mm and offers advanced aerodynamic construction measures such as flow acceleration channels and the AAO frame from Noctua.
FLX
The FLX version offers speed settings of 5000 / 4400 / 3700 rpm via the included low-noise adapter and includes the OmniJoin adapter set for easy connection to proprietary fan heads. Its smooth-running, the SSO2 bearing of benchmark class and the proven premium quality from Noctua make it a first-class choice for the highest demands.
Specifications:
| Format | 40 x 40 x 20 mm |
| Hole spacing | 32 x 32 mm |
| Connection | 3-pin |
| Rotational. (+/- 10%) | 5000 RPM |
| Rotational. with LNA (+/- 10%) | 4400 RPM |
| Rotational. with ULNA (+/- 10%) | 3700 RPM |
| Noise | 14.9 dB (A) |
| Noise development with LNA | 12.2 dB (A) |
| Noise development with ULNA | 8.5 dB (A) |
| Max. Input | 0.6 W. |
| Max current | 0.05 A. |
| Operating voltage | 12 V |
| MTTF | > 150,000 h |
PWM
The PWM version is equipped with the customer-specific NE-FD1-IC from Noctua for fully automatic speed control via 4-pin fan heads and has a low-noise adapter and an OmniJoin adapter set for easy connection to proprietary fan heads. Its smooth-running, the SSO2 bearing of benchmark class and the proven premium quality from Noctua make it a first-class choice for the highest demands.
Specifications:
| Format | 40 x 40 x 20 mm |
| Hole spacing | 32 x 32 mm |
| Connection | 4-pin |
| Rotational. (+/- 10%) | 5000 RPM |
| Rotational. with LNA (+/- 10%) | 4400 RPM |
| Min. Revolution speed (PWM, +/- 20%) | 1200 RPM |
| Noise | 14.9 dB (A) |
| Noise development with LNA | 12.2 dB (A) |
| Max. Input | 0.6 W. |
| Max current | 0.05 A. |
| Operating voltage | 12 V |
| MTTF | > 150,000 h |
Downloads
Product video
Noctua A-Series Fans
Customer Reviews
| 5 star | 100% | |
| 4 star | 0% | |
| 3 star | 0% | |
| 2 star | 0% | |
| 1 star | 0% |
1-5 of 6 reviews
Related Products
-
-
-
-
-
-
Dragonfly Hotend BMS
$36.17- Temperature resistance up to 500°C
- All-metal design
- Good heat dissipation
- Even filament flow
-
CR-Touch Auto Levelling Kit
$30.78- Multipoint detection
- Smart balancing
- Long-lasting quality
- High device compatibility
-
Excellent filament! Easy to print with, no warping, and strong build. The price is great for the quality¡ªhighly recommend.
Excellent filament! Consistent diameter, easy to handle, and clean prints. The finish is beautiful and long-lasting. Will buy again.
This printer is a must-have! Strong build, minimal stringing, and sharp details. Works perfectly with my printer¡ªhighly recommend.
This is amazing! Smooth prints, minimal warping, and reliable performance. Great value and fast delivery¡ªthank you 3DJake!
Outstanding filament! Easy to load, great durability, and clean prints. Compatible with my setup¡ª10/10 recommend.