Thermaltake Massive EXTREME Notebook Cooler; Laptop up to 18in; 800~3500 RPM; 48.5 CFM; 120mm Cross Flow Fan; Ambient Temp Sensor; PWM Scroll Wheel; 2 Stage Height & Angle Adjustment; CL-N023-PL12SW-B

Cross-Flow Cooling‘ Capable of speeds ranging from 800~3500 RPM and easily adjusted by the integrated scroll wheel, the 120mm cross-flow fan is able to deliver up to 48.5 CFM of airflow. | Sealed Chamber‘ To contain and direct the airflow the Massive EXTREME takes advantage off high-density memory foam to created a sealed chamber for optimal performance. | Perfect Fit‘ Capable of accomodating laptops up to 18in in size, and equipped with 2-Stage height and angle adjustment finding the perfect fit is a breeze. | Ambient Temperature Sensor‘ Inside the sealed chamber the temperature sensor provides a simple read out for the airflow temperature to keeep you informed. | Powered USB‘ The rear of the cooler features a powered USB hub to provide three additional USB 2.0 ports and one additional USB 3.2 (Gen2) Type-C Port.