Delta High Performance 2U Pure Copper Active Heatsink (Square Type) for Intel Core i7-5820K; i7-5930K; i7-5960X Haswell-E 6-Core or 8-Core Socket LGA2011 / LGA2011-V3 Designed for Intel Core i7-5820K; i7-5930K; i7-5960X Low noise, high performance and compact cooler designed for Intel Socket 2011 2U Pure Copper CPU Cooler for Intel LGA2011 /LGA2011V3 Connector: 4-Pin PWM Speed Control Co0ling Fan; Thermal Paste Pre-Applied (Square Type Mounting)