For delta 14050 24V2.3A FFB1424SHG super wind 140mm dual ball bearing cooling fan 140*140*50mm
Delta 140 mm Fan Diameter Computer Case Fans for sale | eBay
Amazon.com: Original Delta QFR1212GHE 12VDC 2.7A 120x120x38mm 4-Pin Cooling Fan for Antminer s19 S9 L3+ High Airflow PC Case Mining Cooling Fan 6000RPM : Electronics
FFB0812SH, 80x80x25.40mm, 12VDC, 0.50 A, 6.00 Watts, 4500 RPM, 2 lead wires, axial, ball bearing, dc fan, delta