Active CPU cooler for 4U. CPU cooler for processor sockets LGA 1150, LGA 1151, LGA 1155. Cooling type: active (with fan). Noise level during operation: 38 dBA. Compatible with Intel Xeon Processor E3-1200 v2/v3/v4/v5 series. Socket LGA 1155/1150/1151, certified by Supermicro. This CPU fan cooler has been designed for Supermicro 4U servers and workstations equipped with Intel Xeon E3-1200 v2/v3/v4/v5 processors. The cooler has been fully tested and validated by Supermicro to ensure the best quality and cooling performance. Supermicro designs, develops, and produces optimized server solutions based on the x86 architecture. The company's extensive product range includes the widest selection of server, high-end workstation, and storage systems, as well as energy-efficient server components known as Server Building Blocks Solutions, which include server boards, chassis, and power supplies. Additionally, Supermicro offers powerful Universal I/O (UIO) expansion card technology and other system accessories. The company places special emphasis on energy efficiency to provide solutions optimized for a wide range of customer applications.