Features: Engineered with two 140mm high speed fans and 11 optimized blades, the Z X4 Router Cooling Base delivers 65.8CFM airflow for efficient heat dissipation while operating at a whispers quiet 18dBA, powered conveniently via USB. The ABS builts cooling rack features stackable design with elevated rubber feet, creating extra ventilation space and a hollow compartment to organize accessories like smartphones or power banks. for gamers, IT professionals, and home users seeking uninterrupted performances from routers, mini PCs, or networking hubs prone to overheating. Perfectly suited for home offices, entertainment centers, or server rooms where consistent thermal management prevents performances throttling in networking setups. Space saving stackability allows vertical expansion for multi device setups, while universal compatibility ensures integration with most standard routers and computings systems. Specifications: Materials: Plastic Size: 330x192x45mm/12.99x7.56x1.77inch Package Includes: 1PC Cooling Fan note: Please allow 1-3cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.