This CPU heat sink is designed for Supermicro MicroCloud servers equipped with Intel Xeon E3-1200 v2/v3/v4/v5 series processors. The heat sink has been fully tested and validated by Supermicro to ensure the best quality and cooling performance. Manufacturer Supermicro Server Form Factor 1U Proprietary Cooling Type Passive CPU Configuration Uni Processor Supported CPU SKU Intel® Xeon® Processor E3-1200, E3-1200 v2, E3-1200 v3, E3-1200 v4, and E3-1200 v5 Series Supported CPU Socket FCLGA1150, FCLGA1155 Supported CPU TDP Up to 80 Watts Warranty 1 year warranty Product Environmental Compliance RoHS and REACH compliant, details available upon request