Extra Cooling for Near-Socket Components
Provides additional airflow for VRMs, memory modules, M.2 SSDs, and other components around the CPU socket area, helping compensate for the reduced airflow typical of liquid cooling systems.

Large Diameter NF-A8 Fan
The large 80mm NF-A8 impeller delivers superior airflow and lower noise levels compared to smaller VRM cooling fans.

Coandă Effect for Maximum Efficiency
A custom-designed frame leverages the Coandă effect to direct airflow efficiently toward surrounding components for improved cooling performance.

Magnetic Attachment
Attaches magnetically to the NL-PNA1 pump noise absorber for quick, secure, and tool-free installation on NL-LC1 series coolers.

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PWM Control
Supports PWM speed control, allowing operation to be adjusted from near-silent performance to maximum cooling. The fan can be controlled manually at a fixed speed or automatically via the motherboard. -
Compatible with NL-LC1 Coolers
Designed specifically for Noctua's NL-LC1 series all-in-one liquid coolers and easily replaces the standard metal faceplate on the CPU block. -
6-Year Manufacturer’s Warranty
Combines outstanding reliability with Noctua's renowned 6-year manufacturer's warranty for long-term peace of mind.
| Colour | Brown |
| Height | 33 mm |
| Width | 93 mm |
| Depth | 88 mm |
| Weight | 95 g |
| Total Cable Length | 0.55 m (21.65 in) |
| Connector Type | 4-pin |
| Warranty | 6 years |
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NL-ACF1
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NA-YC1 splitter cable
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NA-STM1 Magnet and tape set for attaching the NL-LC1 faceplate to other surfaces
The Noctua NL-ACF1 is an auxiliary cooling fan designed for Noctua’s NL-LC1 series all-in-one liquid coolers.
Mounted on top of the CPU block, it provides additional airflow for VRMs, memory modules, M.2 SSDs, and other components around the CPU socket area.
Featuring a large, highly optimized NF-A8 impeller, the NL-ACF1 delivers significantly higher airflow at lower noise levels compared to smaller VRM cooling fans. Its specially designed outer frame leverages the Coandă effect to direct airflow efficiently toward nearby components for enhanced cooling performance.
The fan supports PWM speed control, allowing operation to be adjusted from near-silent performance to maximum cooling, either through fixed-speed settings or automatic motherboard control. Installation is quick and effortless thanks to its magnetic attachment system, which securely mounts the fan to the top of the CPU block.
The NL-ACF1 is the ideal add-on for Noctua NL-LC1 series liquid coolers in systems that can benefit from additional airflow over near-socket components.
Noctua NL-ACF1 auxiliary cooling fan
- Brand: Noctua
- Product Code:NL-ACF1
- Availability:In Stock
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¥3,500
- Ex Tax:¥3,182
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Tags: Noctua, auxiliary cooling fan, 80mm fan










