Thermaltake Engine 27 1U Low-Profile CPU Cooler supports Intel Socket LGA 1150/1151/1155/1156, and is specially designed with a 27mm height, metallic structure and copper base that offers an excellent balance between performance, size and acoustics. The compact 60mm fan size is the ideal choice for small form factor applications. Built-in PWM function and metallic blades and fins design offers streamlined performance and control. Innovative Radial Fin arrangement improves overall thermal transfer while reducing noise down to only 13dBA for extremely low noise levels without compromising on the cooling performance.