Noctua NF-A4x20 12V FLX or PWM, Premium Quiet Fan (40x20mm, Brown) For MeanWell PSU Upgrade - Smith3D Malaysia
3D printer Fan Noctua NF A4x10 FLX 5V/12V Premium Quiet Cooling fan 4010(40*40*10mm)for ENDER 3 heatsink cooler cooling 3pin| | - AliExpress
Creality Noctua NF-A4x10 PWM 40mm x 10mm Ultra Quiet Silent Fan 12V 3-Pin Premium Cooling Fan for CR-10 S4/CR-10 S/CR-10/CR-10 S5/CR-10 mini 3D Printer