Amazon.com: Noctua NF-A14 iPPC-24V-2000 IP67 PWM, Heavy Duty Cooling Fan, 4-Pin, 2000 RPM, 24V Version (140mm, Black) : Electronics
Noctua Nf-a4x20 40x40x20mm Flx 40mm 5000 Rpm 14.9 Db(a) Pc Cooling Fan Cooler Fan Radiator Fan Computer Cases & Towers Fan - Fans & Cooling - AliExpress
Quiet 12V NOCTUA Fan on 24V Creality Ender 3 - YouTube
Amazon.com: WINSINN 40mm Fan 24V, Ender 3 Fan Upgrade 24 Volt Fans 4010 Hydraulic Bearing, Works with Ender 3 Pro 3X CR-10S (Pack of 5Pcs) : Electronics
Noctua Nf-a4x20 40mm Cpu Cooler Fan 12v 5v Pwm/flx Cooling Fan Chassis Radiator Replace Fan - Fans & Cooling - AliExpress
24V Alternative to 12V Noctua Hotend Fan (more in comments) : r/ender3