Noctua Nf-a4x10 Flx Fan 5/12v 4010 Fan Cooling Fan 40x40x10mm 17.9 Db(a) Cooler Fan Radiator For Ender 3 Pro 3d Printer Parts - 3d Printer Parts & Accessories - AliExpress
PSA: When ordering new, quiet fans for your printer from Noctua, please note there is a small difference between NF-A4x20 and NF-A20 ... Ooops : r/3Dprinting
Ender 3 (Pro & V2) Silent Fan Upgrade Guide with Pictures – 3D Solved
STL file Ender 3 Sprite Pro noctua fan mounts・3D printable model to download・Cults