SunonEE80252B1-0000-A99 DC Brushless Fan, 12" Leads Connection, Ball Bearing, 24 VDC, 75mA, 80 mm L x 80 mm W x 25 mm H

SUNON EE80252B1-0000-A99 DC Brushless Fan, 12" Leads Connection, Ball Bearing, 24 VDC, 75mA, 80 mm L x 80 mm W x 25 mm H

Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)

Noctua NF-A4x10 24V PWM, 40mm Quiet Fan for 3D Printers and Other Applications, 4-Pin, 24V Version (40x10mm, Brown)