The Comair Rotron CR0812HB Flight LT Brushless DC Axial Fan is a high-quality cooling solution for computer components. With a power connection of 3 wires and a voltage of 12VDC, this fan is designed for optimal performance. The brushless bearing type ensures low maintenance and long-lasting use.( $10each or a lot of 20 units for $45 in black color is perfect for efficiently cooling your computer system.)