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Noctua Fan Upgrade for Bitaxe
Noctua NF-A4x20 5V PWM, a 40 × 40 × 20 mm, 5 V, 4-pin PWM fan used to replace the factory cooling fan on a Bitaxe miner.
$18.99
Ships in 5–10 business days
$18.99Free standard shipping. Excludes duties and taxes
Description
The Noctua NF-A4x20 5V PWM is a 40 mm, 20 mm-deep fan that runs on 5 V with PWM speed control. It is used as a replacement for the factory-fitted fan on a Bitaxe Bitcoin miner to reduce fan noise. It uses Noctua's SSO2 bearing and has an integrated diode that protects it against reverse polarity.
Compatibility
- Bitaxe
Specifications
- Model: Noctua NF-A4x20 5V PWM
- Dimensions: 40 × 40 × 20 mm
- Screw-hole spacing: 32 mm
- Voltage: 5 V; PWM signal 5 V
- Connector: 4-pin PWM
- Bearing: SSO2
- Speed: 5000 RPM (±10%); minimum 1100 RPM under PWM (±20%)
- Airflow: 5.5 CFM
- Static pressure: 2.26 mm H₂O
- Noise: 14.9 dB(A)
- Maximum input: 0.5 W, 0.1 A
Notes
- To fit it, remove the four screws and unplug the factory fan, then mount the Noctua fan with its label facing down.
- It is a 5 V fan: it cannot run on 12 V and will be damaged by 12 V sources such as PC motherboard fan headers.
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