Supermicro FAN-0143L4 80x90x38 mm 11,000 RPM Fan for FatTwin GPU (Rear) Case Fans - Newegg.com
VEVOR Explosion Proof Fan 12 Inch(300mm) Utility Blower 550W 110V 60HZ Speed 3450 RPM for Extraction and Ventilation in Potentially Explosive Environments | VEVOR US
Compact fans for AC, DC and EC
Linus's 11,000 RPM fan aint got nothing on me! : r/ASUS