140mm Fan 12V Silent Cooling Fan 140*25mm 12VDC 0.18A Computer Pc Set Up Cooler 870RPM 3pin - AliExpress
NeweggBusiness - be quiet! SILENT WINGS 4 140mm PWM high-speed
Noctua NF-A15 PWM Quiet CPU Fan 140mm
NeweggBusiness - be quiet! SILENT WINGS 4 140mm PWM high-speed
Amazon.com: Noctua 140mm Premium Quiet Quality Fan with AAO Frame Technology (NF-A14 PWM) : Electronics
Amazon.com: Rosewill 140mm Case Fan Computer Case Fan with Advanced Fluid Dynamic Bearing for Ultra Quietness and Silent Operation Standard 140 mm Case Fan with 3 Pin & Molex / LP4 Connectors,