Features: Experience unparalleled cooling performances with our 12cm High Speed Server Cooling System Fan Kit Designed to keep your routers， set-top box and workstation cabinet operating at optimal temperatures. Featuring a robust two/three oil bearing system, this fan ensures a high airflow volumes and a long lasting lifespan of up to 50,000hours for intensive computing tasks. For tech enthusiasts, cryptocurrency miners, and IT professionals looking for an efficient cooling solution to maintain their high performances computing hardware. Perfect for use in server rooms, data centers, or any setup that demands aggressive cooling for advanced electronics, ensuring your systems run smoothly without overheating. Specifications: Input: AC100V-240V 50/60Hz Output：DC3V-12V2A, Speed：1500rpm Bearing: Oil Bearing Component:Plastic Size: about 36x12x5cm/14.17x4.72x1.97in Three Fan 24x12x5cm/9.44x4.72x1.97in Two Fan Adapter: US Standard Cable Length：about 145cm/57.08in Package Includes: 1Set Cooling Fan note: Due to the different monitors and light effect, the actual color the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring difference due to manual measurement.