Noctua NH-D14 SE2011 Quiet CPU Cooler for Intel LGA 2011 Socket with 6 Heatpipes, 140/120mm SSO Bearing PWM Fans NH-D14 SE2011 The SE2011 version is a special edition for Intel's Core i7-39xx/38xx (Sandy Bridge-E) high-end platform and comes equipped with the new SecuFirm2 mounting system for LGA2011. Dual NF-P14/NF-P12 PWM premium-grade fan setup for superior quietness and long-term stability. SecuFirm2 LGA2011 mounting System and High-end Thermal Compound (NT-H1). Refer Product Description section for technical specifications