4-Pack, Prolimatech Red Vortex 14 LED - High Airflow and Low Noise Fan (140mm) The 4-Pack includes four Red Vortex 140mm LED Fans. The Red Vortex 14 LED is a powerful and quiet 140mm computer fan that offers both exceptional performance and reliability. The fan features 4 Ruby Red LED's and translucent red blades. The desktop fan features excellent airflow with a fan speed of 1000 RPM and moving 87 CFM while only producing a barely audible 18.1 dBa. Providing 0.76 mmH20 of static pressure, the Red Vortex 14 LED can be reliably used as a radiator fan for keeping components cool or as a case fan for excellent air circulation. The Red Vortex 14 LED is built with a high quality sleeve bearing and includes both 3-pin and 4-pin molex connectors.