1Pcs 5V USB Connector 4500RPM 50x50x10MM PC Fan Cooler Heatsink Exhaust CPU Cooling Fan Replacement - AliExpress
5V DC 140mm Portable USB Table Desktop Cooling Fan - USB fan, 5V DC cooling fan | Made in Taiwan Custom RV Fans and PC Cooling Fans Manufacturer | TITAN Technology Limited
50 Pcs Gdstime 10mm*140mm*25mm PC Fan 5V DC 140mm x 25mm 14025S
USB PC Ventilator lüfter 80/120/140mm Leise PC Gehäuselüfter Einstellbare Fan 5V | eBay