The product is a set of three genuine Supermicro FAN-0065L4 cooling fans, designed for efficient cooling of computer systems. These fans have a diameter of 40mm and operate at a high speed of 13K RPM, effectively dissipating heat to keep systems running smoothly. With a black color and ball bearing design, these fans are reliable and durable for long-lasting performance. The fans also have a 4-pin power connection and a voltage requirement of 12V, making them compatible with a variety of systems. Perfect for computer enthusiasts looking to enhance their cooling system, these fans offer quality and efficiency.