1. This product is suitable for the new P5slim host digital version and optical drive version; 2. Built-in 3 low-noise cooling fans, good heat dissipation and low noise. 3. It has an intelligent temperature control sensing function, which can automatically adjust the wind speed according to the temperature of the host. The wind speed is adjustable in three levels, making heat dissipation more efficient. 4. Equipped with a P5S host 3.0 expansion USB port Colour:Photo Color Material:abs Package Contents: 1 x cooling fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.