Overview Arctic P14 Max 140mm 4Pin PWM Case Fan Black Color model: ACFAN00287A DESIGNED FOR PERFORMANCE: Due to the high static pressure, the fan guarantees efficient cooling even with increased air resistance. Suitable for use on heat sinks & radiators PROVEN FAN DESIGN: The closed ring fan wheel enables low-vibration rotation at high speeds and strong resistances while maintaining high static pressure WIDE RPM RANGE: Thanks to the 4-pin connector, the speed can be controlled via PWM. Below 3 % PWM the fan stands still, above 3 % it is infinitely variable between 400–2800 rpm FLUID DYNAMIC BEARING: Long service life, silent operation at low speeds and powerful performance at maximum speed OUTSTANDING PERFORMANCE: Most powerful 140 mm fan, 25 years of experience, direct customer support, many years of spare parts supply, CO₂ neutral company Specification ACFAN00287A Warranty & Returns Return PoliciesReturn for refund within: 14 daysReturn for replacement within: 30 daysThis item is covered by our Standard Return Policy WarrantyThis item has 6 years manufacturer warranty Manufacturer Contact Info:Website: https://www.arctic.ac/en/support/Support phone: 1-843-292-9494