Designed to offer the best of two worlds. A hybrid forged between silent and high-performance chassis. Find the optimal configuration in any situation by switching between quiet or performance mode. Designed with effective sound proofing panel and Phanteksâ new high-airflow fabric, the Eclipse P600s offers the full potential of two opposites, minimum noise and maximum airflow. Based on the award winning Evolv X chassis interior, the Eclipse P600s comes with tons of features.