Supermicro - FAN-0167L4 - Fan 40mm Counter-Rotating 20.5K-17.6K RPM FAN-0167L4 - Supermicro - 40x40x56 MM 20.5K-17.6K RPM Counter-Rotating Fan for SC947 $82.65 $67.20
Supermicro - FAN-0163L4 - Fan 40mm 23000 RPM 69.40 dBA FAN-0163L4 - Supermicro - 40x40x59mm 23,000 RPM Inlet / 20,300 RPM Outlet - Noise (dBA) : 69.40 $48.99 $39.83
Supermicro - FAN-0085L4 - Fan 1U 40mm 13.3K RPM 4-Pin FAN-0085L4 - Supermicro - 1U 40x40x56mm (4-pin) 13.3K RPM $61.50 $50.00
Supermicro - FAN-0156L4 - Fan 40mm 13K-11K RPM Counter-Rotating FAN-0156L4 - Supermicro - 40x40x56 mm 13K-11K RPM Counter-rotating $61.50 $50.00
Supermicro - FAN-0102L4 - Fan 1U 2U 40mm 4-Pin 12K RPM FAN-0102L4 - Supermicro - 1U 2U 40x40x56mm (4-pin) 12K/ 8K RPM $40.71