Power interface: SATA Fan interface: 4PIN (PWM) Number of fan ports: 10 Top quality products: The quality of the products can be guaranteed to the greatest extent, because we have our own production warehouse. Products can be tested for quality before they leave the factory. High-quality distribution logistics: Our delivery warehouse is in the United States. The logistics method used is a local first-level logistics service provider in the United States. From the moment you place the order, it will be collected within 24 hours. You can receive your package within 3-5 working days. Timely after-sales service: Whether you have any questions about the logistics provider or product quality, you can contact me at any time. As long as the product is unused, you can return it to our warehouse in New Jersey. We serve you wholeheartedly 24 hours a day.