Thermaltake Engine 27 1U Low-Profile CPU Cooler supports Intel Socket LGA 1150/1151/1155/1156, and is specially designed with 27mm height, metallic structure and copper base that offer an excellent balance between performance, size and acoustics. The compact size 60mm fan is the ideal choice for small form factor applications. Moreover, with the built-in PWM fan and metallic blades and fins design, the Engine 27 guarantees extremely low noise level without compromising on the cooling performance.