Dimension - 3.1 in x 3.1 in x 1.5 in "Fan" Rotation Speed - 1000-5000 rpm Air Flow (Total) - 67.1 cfm Sound Emission - 54 dBA Warranty - 1 years parts / 3 years labor
Supermicro FAN-0074L4 92X25MM 4-PIN PWM FAN ASSEMBLY FOR SC743 SUPER QUIET REAR FAN