Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown). I’ll attach the Amazon link. More info can be found on the Bitaxe GitHub too in the hardware section. https://github.com/skot/bitaxe?tab=readme-ov-file#hardware
https://a.co/d/05i02LeL
