The Genuine Lenovo ThinkStation P340 WorkStation Fan and Heatsink 5H40U92974 is a high-quality CPU fan with heatsink designed specifically for Lenovo computers. Made of aluminum and copper, this fan provides efficient cooling to keep your system running smoothly. With a 4-pin power connection, it is compatible with Lenovo brand computers and is a reliable unit that effectively dissipates heat to ensure optimal performance. Made in China, this fan and heatsink combo is a genuine Lenovo product that ensures quality and compatibility with your Lenovo workstation.