Condition: 100% Brand New_x000D_ Item Type: Computer CPU Cooling Fan_x000D_ Material: ABS_x000D_ Optional Color: White, Black_x000D_ Size: Approx. 140 x 140 x 25mm / 5.5 x 5.5 x 1in_x000D_ Bearing Mode: Fluin Dynamic Bearing_x000D_ Rated Voltage: 12V DC_x000D_ Fan Interface: 4-PIN PWM header_x000D_ Fan Speed: 600-2000rpm_x000D_ Maximum Air Volume: 79-108CFM_x000D_ Service Life: 30,000 hours_x000D_ Maximum Noise: 29-39dba 10%1Easy to install and release, ultra quiet, high speed, large wind. 2High density material, low carbon environmental protective. 3Exquisite metal mesh structure provides strong cooling capacity. 4Ultra silent, giving you a comfortable using experience and environment. 5Unique quiet fan designs for easy thermal heat dissipation, high efficiency. 1 x Computer CPU Cooling Fan 1 x Screw Bag