Product Overview
40 x 40 x 10 mm PWM cooling fan for 3D printers and network gear
Condition
Single unit available. Unused NOS, open-box in excellent condition with nothing out of ordinary. Evaluation: Visual inspection only. Function testing not performed. Includes what is shown/expected from your notes: adapter cables, anti-vibration mounts, and screws. Sourced from an electronics distributor that was consolidating inventory.
Ships same business day from Idaho. Packed carefully.
Product Overview
Noctua NF-A4x10 PWM premium quiet 40mm axial DC cooling fan for tight spaces where noise reduction matters. Commonly used as an upgrade replacement for small fans in 3D printers and compact computing/network hardware.
Key Features
- 40 x 40 x 10 mm slim-profile fan (40mm class)
- PWM model with 4-pin speed control interface (per model name)
- Intended for quiet cooling in compact enclosures
- Accessories noted included: adapter cables, anti-vibration mounts, screws
- Voltage variant exists in 5V, 12V, and 24V versions - must verify on the fan label before installation (not confirmed for this unit)
Applications
- 3D printer fan replacement/upgrade (hot-end or electronics bays - verify voltage and connector)
- Network switches, NAS systems, and small server/homelab gear fan swaps
- External drive enclosures and compact PC builds needing a 40 x 10 mm fan
Frequently Asked Questions
What voltage is this fan - 5V, 12V, or 24V?
Not confirmed from the provided information. This model family has 5V, 12V, and 24V variants. Verify the voltage printed on the fan label before powering it.
Will it plug into a standard PC motherboard header?
It is a PWM model (4-pin). Fit depends on the connector and the fan's voltage rating. If it is a 12V variant it is typically compatible with standard 12V PC fan headers; 5V and 24V versions are incompatible with 12V headers.
Is it suitable for a 24V 3D printer?
Only if the fan itself is a 24V variant. Using the wrong voltage can damage the fan or cause poor performance.
