The Cooling Fan 3 Pack TL-C14C-S X2 140mm Silent in Black with 1500RPM and 4 PIN PWM Cooler is a set of two case fans designed for computer cooling. These fans have a 140mm diameter, a maximum fan speed of 1500 RPM, and operate at 12V. With a sleek black color and silent operation, these fans provide efficient cooling while keeping noise levels low. Perfect for enhancing the performance and longevity of computer systems, this fan pack offers a reliable solution for managing heat and ensuring optimal system functionality.