Check the listing for details. ARCTIC P14 (Black) 5 Pack 140 mm Case Fan Pressure-optimised quiet motor PC. Color: black, Condition: New. Listed at 38.19 USD. P14 (5 Pack) OPTIMISED FOR STATIC PRESSURE: The fan guarantees extremely efficient cooling, even with increased air resistance, therefore, the P14 is particularly suitable for use on heatsinks and radiators HIGH QUALITY BEARING: Thanks to an alloy/lubricant combination developed in Germany, friction within the bearing is reduced and greater efficiency is achieved INNOVATIVE DESIGN: The innovative design of the fan blades improves the air flow and facilitates a highly efficient ventilation, the impeller was designed with a focus on minimzing the noise level LONG SERVICE LIFE: The Fluid Dynamic Bearing comes with an oil capsule that avoids lubricant leakage, thus this bearing is as quiet as a sleeve bearing but comes with a higher service life TECHNICAL DATA: 5 Pack, Fan speed: 1700 rpm, Airflow: 72.8 cfm | 123.76 m³/h, Noise Level: 0.3 Sone, Static pressure: 2.40 mmH₂O, Pin: 3-pin Aroma Diffuser