Antec Smart Fan 92MM Built-in temperature sensor Variable speed: RPM increases as the temperature rises Double ball bearing design for extended life Comes with a 4-pin power connector and a separate signal connector to motherboard Up to 80 percent quieter Thermally controlled 92mm case fan <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.