Noctua NF-A4x20 12V FLX or PWM, Premium Quiet Fan (40x20mm, Brown) For MeanWell PSU Upgrade - Smith3D Malaysia
High Quality Noctua Nf-a4x10 Flx 40mm 12v 5v 40x40x10 Cooling Fan 4010 Silent Cooler Fan Radiator 3d Printer Parts For Ender 3 - 3d Printer Parts & Accessories - AliExpress
Noctua NF-A4x10 FLX ( 40x40x10mm ) | 40mm | Axial fans | Air cooling | Aquatuning USA
Noctua Lüfter NF-A4x10 - 3DJake Deutschland
Noctua NF-F12 Industrial PPC-24V-2000 Q100 IP67 PWM Fan – Coolerguys
24V Alternative to 12V Noctua Hotend Fan (more in comments) : r/ender3
40mm Sealed Bearing Fan (24V) - TH3D Studio LLC
For Noctua NF-A4x10 PWM 40mm x 10mm Ultra Quiet Silent Fan 3-Pin DC12V 0.6W 3PIN | eBay
Noctua NF-F12 iPPC-24V-3000 Q100 IP67 PWM, Heavy Duty Cooling Fan, 4-Pin, 3000 RPM, 24V Version (120mm, Black) - Newegg.com