5v 40mmx20mm fan

Essential cooling for your single-chip Bitcoin miner. This high-static pressure 4020 fan keeps your Bitaxe or Nerdaxe running efficiently without thermal throttling.

Features:

• PWM Control: 4-pin connector for automatic speed management via AxeOS.
• High Pressure: 20mm depth pushes more air through dense heatsinks.
• Direct Fit: Native 5V support for standard miner headers.