2x140mm 280mm 11.02inch Upgraded Computer PC Vent Cooling Fans with Magnetic Screws Kits and Adjustable Speed for Cabinet Server Mining Rig Chicken Coop

Powerful 2x140mm Fan280mm 11.02inch fans deliver massive 98CFMx2 airflow at 2800RPMx2 with 39.8dBA noise. This 12V 0.35A 280mm fan comes with a stepless speed controller and is ideal for high airflow cooling requirements in PCs, servers, or DIY projects.
Stepless Speed AdjustableThe included stepless controller allows precise (1000-2800RPM)x2 adjustment for this 280mm fan. Optimize airflow for PCs, amplifiers, or greenhouse ventilation with silent operation at low speeds.
Strong Magnetic MountingOur 280mm 11.02inch magnetic fans install instantly on any metal surface - without the need for tools! Upgraded strong magnetic screws ensure vibration - free stability for routers, fish tanks, and electronics cabinets.
Versatile Fan Mounting KitIncludes 2x 140mmx25mm fans, 8x powerful magnetic screws, 22x traditional screws, 2x fan connector bracket, 4x black metal grilles & 4x cable ties. Easily configure multiple 140mmx25mm fans for customized ventilation solutions.
Dual Mount Fan VersatilityChoose magnetic screws (quick attach) or screw-lock (vibration-proof permanence). Optimize cooling for routers, amplifiers, greenhouses, fish tanks, kennels, and electronics enclosures.