Amazon.com: Noctua NF-F12 iPPC-24V-3000 Q100 IP67 PWM, Heavy Duty Cooling Fan, 4-Pin, 3000 RPM, 24V Version (120mm, Black) : Electronics
Not sure if this is old news. But it made me excited! Noctua working on a 24v solution. : r/3Dprinting
Quiet 12V NOCTUA Fan on 24V Creality Ender 3 - YouTube
2 x Pack of Noctua NF-A4x20 5V PWM 40mm x 20mm Premium PC Case Fan 5000RPM 9010018100129 | eBay
For Noctua NF-A4x10 PWM 40mm x 10mm Ultra Quiet Silent Fan 3-Pin DC12V 0.6W 3PIN | eBay
Creality Noctua NF A4x10 PWM 40mm x 10mm Ultra Quiet Silent Fan 12V 3 Pin Premium Cooling Fan for CR 10/CR 10 S5 mini 3D Printer|3D Printer Parts & Accessories| - AliExpress
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
Noctua Lüfter NF-A4x10 - 3DJake Deutschland
Noctua Nf-a4x10 Flx 40mm 40x40x10 4500 Rpm 17.9 Db(a) Cooling Fan Cooler Fan Radiator Fan Computer Cases & Towers Fan - Fans & Cooling - AliExpress