This CPU heat sink is designed for Supermicro X9 and X10 generations 1U UP, DP, and MP servers equipped with Intel Xeon E5-2600 or E5-4600 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 Cooling Type Passive CPU Configuration Uni Processor, Dual Processor, Multi Processor Supported CPU SKU Intel® Xeon® Processor E5-2600, E5-2600 v2, E5-2600 v3, and E5-2600 v4 Series, Intel® Xeon® Processor E5-4600 and E5-4600 v2 Series Supported CPU Socket FCLGA2011 (Narrow ILM) Supported CPU TDP Up to 145 Watts Search Terms 1U Heatsink, 1u heat sink Warranty 1 year warranty Product Environmental Compliance RoHS and REACH compliant, details available upon request