This CPU heat sink is designed for Supermicro X11 generation general 2U and above servers equipped with Intel® Xeon® scalable processors. The heat sink has been fully tested and validated by Supermicro to ensure the best quality and cooling performance. 2U Passive CPU Heat Sink Intel® Xeon® Scalable Processors Socket LGA3647-0 Narrow Mounting Mechanism Supermicro Certified